• The costume should be comfortable, no itchy inseams or scratchy material.
• The costume should be easy to get on and off and preferably have easy access for diaper changing.
• The costume should be safe. Check for loose buttons, loose threads and anything else that could be a hazard to your baby.

I found some great infant dinosaur costumes on Amazon and if you want to check those out, click here:Infant Dinasaur Costumes.
Below are my favorites. Click on any photo or the link below to buy or get more info about the costume.

Infant Dinosaur Costume

Dinosaur Newborn/Infant
Doesn’t this little guy look so snugly in his first dinosaur costume? This could be used on any cool Fall evening, not just at Halloween. It’s made of that ultra soft artic fleece. Love the colors of this costume!

Baby Dragon Costume

Baby Dragon Infant Costume
Ok, I know this says “dragon” but it sure looks like it could be a dinosaur costume to me so I’m including it. It’s sized 6-12 months, and includes the jumpsuit and headpiece. Hand washable.

T-Rex Infant and Toddler Costume

T-Rex Infant/Toddler Costume
You can hand wash this costume. It includes the jumpsuit and hood. It comes in sizes Infant (12-18 months), XX-Small (18 months-2T), Extra Small (4T), and Small (6). Check the sizing chart on the site for more extensive measurements.

Triceratops Infant-Toddler Costume

Triceratops Infant/Toddler Costume
Love the colors of this guy. This costume is so detailed! It includes the jumpsuit with attached booties, mitts and hood. It comes in sizes 6-12 months, 18-24 months ans 2T-4T.

Mighty Dino Infant Costume

Mighty Dino Infant Costume
This cute costume is just like the one above, only the colors are different. It is available in sizes 12-18 months and all the measurements are the same as the costume above.

Flinstones Dino Adult Costume

Flintstones Adult Costume – Dino
Now I got admit, this guy looks pretty silly but if you are a Flinstones fan and silly is what you are going for, then this Dino costume is for you. It comes in Adult Standard and Extra Large and includes the jumpsuit, headpiece, and collar.

Sleestak Adult and Plus Costume

Sleestak Adult Costume
Do you remember Sleestaak from Land of the Lost? I remember watching it as a kid. This costume includes the shirt and pants, shoe covers, gloves and headpiece. One size fits Chest:42″-45″, Waist:35″-40″, Inseam: 33″ and Height: 5’8″-6’3″.
You can get this in Plus Size too!

Sleestak Adult Plus Costume
This is the same as above except for the size. It fits Chest: 50″-52″, Waist: 38″-44″, Inseam: 35″, and Height: up to 6’3″.

Sleestak Adult Deluxe Mask

Sleestak Adult Deluxe Mask
How would you like to have this guy peaking at you through the bushes? This Sleestak mask is made of latex.

Rex from Toy Story Adult Mask

Toy Story Rex Character Headpiece Adult – One-Size
This Rex mask is made of polyester.

Triceratops Dinosaur Adult Half Mask

Triceratops Dinosaur Half Mask Adult Halloween Costume Accessory (DSP-42)
This guy is made of latex.

Dinosaur Mascot Child Costume

Dinosaur Mascot Child Costume
The first one here is made for children. It includes the body that zips in the back, the mascot head, shoe covers and hand covers. It comes in one size that should fit most children. Spot clean or take it to the dry cleaners to clean. The cool thing about this is the manufacturer will allow you to make color or style changes if you want, usually with no extra charges.

Dizzy Dinosaur Mascot Adult Costume

Dizzy Dinosaur Mascot Adult Costume
This cool costume fits most adults between 5’5″-6’2″, 200 pounds, Chest and Waist: 50″-60″, Inseam: 30″. It includes the body, shoe covers, hand covers and mascot head. Vision is through the head. This costume comes with a complimentary mascot care kit.

Dogzilla Dinosaur Costume

Dog Dinosaur Costume
This cute green and blue costume fastens with velcro for easy on and off. It comes in sizes Extra Small, Small, Medium, Large, and Extra Large.
Extra Small fits back length from base of neck to base of tail 8″, Chest 14″-17″, and Neck size 7″-9″.
Small fits back length 8″-12″, Chest 17″-21″, and Neck size 9″-12″.
Medium fits back length 12″-16″, Chest 21″-25″, and Neck size 12″-14″.
Large fits back length 16″-20″, Chest 25″-30″, and Neck size 14″-18″.
Extra Large fits back length 20″-24″, Chest 30″-38″, and Neck size 18″-20″.

Flinstones Dog Dino Costume

Flinstones Dino Dog Costume
Everyone loves Dino from the Flinstones! Now your dog can be Dino for Halloween! The costume includes the shirt with paw covers and the hat. You can hand wash this costume in cold water and line dry. It comes in 4 sizes: Small, Medium, Large, and Extra Large.
Small: neck to tail 11″ chest: 14″
Medium: neck to tail 15″ chest: 17″
Large: neck to tail 22″ chest: 20″
Extra Large: neck to tail 28″ chest: 24″

Jurassic Bark Dog Costume

Jurassic Bark Dog Costume
The Jurassic Brak Costume (gotta love that name!), can be hand washed in cold water and line dried. It includes the top and the hood. It comes in 3 sizes: Small, Medium and Large.
Large: Back Length 19″-24″, Neck Size : 20.5″-22.5″
Medium: Back Length 14.5″-17″, Neck Size : 17″-20″
Small: Back Length 11″-14″, Neck Size : 14″-16.5″

Tiny from Dinosaur Train Costume

Tiny from Dinosaur Train Costume
My little granddaughter loves watching the Dinosaur Train on PBS and actually asked if she could be “Tiny” this Halloween so I was really excited to find this costume. It’s made of polyester and can be hand washed. It includes the jumpsuit, hood and shoe covers. It comes in n sizes:
3-4 Chest: 23″, Waist: 22″, Hips: 24″ Height: 40″ Up to Weight: 40 pounds.
4-6 Chest: 25″, Waist: 24″, Hips: 26″ Height: 45″ Up to Weight: 45 pounds.

Rex, from Toy Story Costume

Toy Story – Rex Deluxe Child Costume
Who can forget Rex from Toy Story who tried to be so scary but wasn’t scary at all. If your child loves Toy Story and wants to be Rex for Halloween, here’s a cute costume for him or her. It includes the shirt, headpiece, tail, and gloves. It’s made of polyester and can be hand washed. It comes in 3 sizes. Toddler (3T-4T, Chest: 22″-23″, Waist: 20″-21″, and Hips: 22″-23″, weight 34-38 pounds). Small (4-6, Chest: 23″-26″, Waist: 21″-23″, and Hips: 23″-26″, weight 39-50 pounds). And Medium (7-8, Chest: 26″-27″, Waist: 22.5″-23″, and Hips: 27″-29″, weight 58-66 pounds).

Rex, from Toy Story Adult Headpiece

Toy Story Rex Character Headpiece Adult – One-Size
Here’s a cool head mask of Rex for adults. It’s made of polyester and spot clean. Vision is through the mouth.

Next we have Yoshi. Anyone who has ever played video games knows who Yoshi is.If you don’t know, I’m sure your kids will. One the coolest things I saw last Halloween was a mom with 4 kids and they were all dressed like a Mario Brothers game character. You can find all those costumes here:Mario Brothers Costumes. There’s even a Princess Peach Costume. Anyway, here’s the Yoshi costumes.

Yoshi, from Mario Brothers Child Costume

Kids Yoshi Costume
The child’s Yoshi dinosaur costume is made of polyester and includes the jumpsuit and headpiece. It comes in child sizes Small (4-6), Medium (8-10), and Large (12-14).

Yoshi, from Mario Brothers Adult Costume

Adult Yoshi Costume – Nintendo Super Mario Brothers Costumes
The adult Yoshi dinosaur costume includes the costume with tail and headpiece. It comes in Adult Sizes Standard (38-42), and Adult Extra Large (46-48).

Now we have Sleestak from Land of the Lost.

Sleestak, from Land of the Lost Child Costume

Land of the Lost Sleestak Child Costume
This polyester costume is made of polyester and can be hand washed. It includes the shirt, mask, gloves, pants and shoe covers. It comes in Child Size 7-10 (Height 49″-52″, Waist 22″-25″). It comes in other sizes too.

Land of the Lost Sleestak Teen Costume
This is the teen sized costume. It comes in size 13-16 (Height 55″-60″, Chest 29″-34″, and Waist 27″-29″).

Land of the Lost Sleestak Adult Costume
The adult costume comes in one size fits most. Chest 42″-48″, Waist 35″-40″, Inseam 33″, and Height 5’8″-6’2″.

Land of the Lost Sleestak Adult Plus Costume
This is the plus sized costume although I’m not totally sure what the measurements are for this one. It did get great reviews though.

YSleestak, from Land of the Lost Adult Mask

Sleestak Adult Deluxe Mask
If you want a much more detailed Sleestak mask than the ones provided with the above costumes, this is a great mask. It’s made of latex and spot clean.

Another favorite famous dinosaur is Dino from the Flinstones. In fact you can get lot of costumes from the Flinstones here: Flinstone Costumes. But I’m highlighting just Dino here.

Dino from the Flinstones Child Costume

The Flintstones Dino Child Costume
This child Dino costume comes with the jumpsuit and headpiece. It can be hand washed and is made of polyester. The sizes available are Toddler (Height 35″-39″, Waist 22″-24″) and Small (Height 44″-48″, Waist 25″-26″).

Dino from the Flinstones Dog Costume

Flintstones Dino Dog Costume
Even your dog can be Dino this Halloween! This costume includes the hat and the top with paw covers. It can be hand washed in cold water and line dried. The sizes available are Small (measure back from base of neck to base of tail: 11″, chest 14″), Medium (15″ back, 17″ chest), Large (22″ back, 20″ chest), and Extra Large (28″ back, 24″ chest).

And last but not least is Barney and his friends.

Barney Child Costume

Barney and Friends-Barney Child Costume
Barney includes the jumpsuit, headpiece, foot covers and mittens. It’s made of polyester and spot clean to clean this. This one is a Childs Size 4-6X (Height 33″-48″, Waist 24″-26″).
There are other sizes available too.

Barney and Friends-Barney Toddler Costume
The toddler size is 3-4T (Height 26″-33″, Waist 21″-24″).

Barney and Friends-Barney Infant Costume
The infant size is 18-24 months (Height 28″-31″, Waist 18″-21″).

Baby Bop Dinosaur Child Costume

Barney and Friends-Baby Bop Child Costume
This Baby Bop child costume comes in Child Size 4-6X (Height 33″-48″, Waist 24″-26″). It includes the headpiece, and jumpsuit with attached foot covers. Made of polyester, spot clean only.

Baby Bop Dinosaur Toddler Costume

Barney and Friends-Baby Bop Toddler Costume
The Toddler size fits 3-4T (Height 26″-33″, Waist 21″-24″). It includes the jumpsuit with attached foot covers and the headpiece. Like the costume above, it’s made of polyester and spot clean.

Baby Bop Dinosaur Baby Costume

Baby Bop Costume – Infant
The Infant Costume fits 18-24 months (19″-19.5″, Waist 19″-21″, Hips 19″-31″, Height 28″-31″, Weight 15-30 pounds). It includes the bodysuit with hand and shoe covers, and headpiece.

BJ Dinosaur Child Costume

Barney and Friends-BJ Child Costume
This BJ costume fits Child Size 4-6X (Height 33″-48″, Waist 24″-26″). It includes the jumpsuit with foot and hand covers, and the headpiece. It’s made of polyester, and spot clean only.

BJ Dinosaur Toddler Costume

Barney and Friends-BJ Toddler Costume
This one is just like the costume above, just in a Toddler size. It fits 3-4T (Height 26″-33″, Waist 21″-24″).

Bj Barney’s Friend Baby Costume
This one is also the same, just in Infant Sizing. It fits babies 12-24 months (Height 28″-31″, Waist 18″-21″).