Blue Monsters Adult Baby Boy Onesie
Bring a little monster-mischief to playtime with this blue-and-white snap-crotch onesie. The all-over monsters pattern is made for Halloween festivities, cozy lounging, and playful everyday wear, while the soft stretch fabric keeps you comfortable from one adventure to the next.
- All-over blue and white monsters pattern
- Soft 88% polyester and 12% spandex blend
- Convenient snap closure for easier dressing and changes
- Fun for Halloween, lounging, and everyday play
- Part of the Pattern Onesie collection
Fabric & Care
Made from an ultra-soft, durable polyester-spandex blend for comfortable everyday wear.
- Machine wash with like colors in cold water.
- Do not tumble dry, as heat can cause shrinking and fading.
- Do not use bleach, as it can damage the fabric.
Shipping & Returns
Every onesie is made to order, so it enters production after you place your order rather than shipping from a shelf.
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Poly-spandex production: 2–4 business days
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100% cotton production: 10–12 business days
Production time is separate from delivery time. Once your order ships, your carrier’s transit time is added on top.
If your order arrives defective or incorrect, we’ll make it right. Otherwise, you have 30 days from delivery to return it for a full refund, provided it is unworn, unwashed, and in its original condition.
How to Measure
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Chest: Measure under the armpits at the widest point, all the way around.
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Waist: Measure at the belly button, all the way around.
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Front length: Measure from the base of the neck straight down to the middle of the crotch.
Choosing Your Size
- Measure while wearing a diaper if you plan to wear one with your onesie.
- The onesie may shrink slightly after washing.
- This style is designed to fit snugly and runs small, so review your measurements carefully before ordering.
