Big Mouth Monster
Big Mouth Monster
👾 Fun monster design, totally adorable
💚 Ultra-soft green plush, love it
🛋️ Cozy fleece for all-day comfort
🎃 Couples, Halloween & party ready
🤗 Roomy fit, zip-up, stay comfy
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Big Mouth Monster
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I didn't notice it earlier, it's very comfortable to wear, cute and adorable
M. Blanche -
Absolutely love this onesie. I ordered the xl (normally a large) to have a bit of space. I’m glad i did. I would recommend sizing up to be safe.
Dom Costa -
Like wearing a warm, fluffy cloud!
Caleb Kiatoukaysi

Big Quality, Bigger Smiles
Soft as a Cloud, Warm as a Hug
Crafted from ultra-soft plush fleece, the BigMouthMonster onesie wraps you in cloud-like comfort. The roomy, relaxed fit lets you move freely while premium stitching keeps it soft and cozy wash after wash. Once you try it, you'll never want to take it off! 🐾
See What Customers Are Saying!
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Best novelty gift I've ever given!
Got this as a birthday gift for my best friend who loves quirky things. She hasn't taken it off since she opened it! The goofy onesie design with the big eyes and mouth makes us laugh every time she puts the hood up. It’s a very cozy sleepwear gift that is both practical and funny.
Nina Service
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The hit of our pajama party!
I bought this goofy onesie for a pajama party, and my husband got one too. We were the absolute center of attention! The big mouth monster design is hilarious, and the coral fleece is surprisingly thick and warm. It arrived carefully packaged and in perfect condition. Definitely the best couple loungewear we own now!
Emma Bowen
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Exactly as pictured, super warm and oversized!
This monster onesie is exactly what I was hoping for. The oversized fit gives you plenty of room to move, and the fleece keeps you incredibly warm during chilly nights. The zipper feels sturdy, and the overall quality is much better than other novelty pajamas I've bought before. Worth every penny!
Jacob Sheridan