Most Wonder Pets costumes are made from 100% polyester. Pajamas are typically a 95% cotton / 5% spandex blend.
Listings include chest and neck ranges. Across the options, chest measurements span roughly 16–27 inches and neck measurements span roughly 10–20 inches.
Weight capacity varies by listing. Maximums shown range from about 20 to 85 pounds, while minimums in available listings range from about 6 to 45 pounds. Check each product’s listing for the exact weight recommendation.
Most costume listings are two-piece sets that include a main outfit plus a matching headpiece. Some full-body or walking costumes also include an attached headpiece.
Some items use a pullover style for dressing; the pajama option explicitly lists a pullover closure for easy on and off.
Most listings are intended for dogs; some items—especially the pajamas—are listed for both cats and dogs.
Overall length values in the listings range roughly from about 14 inches up to 16.72 inches.
The assortment includes action superhero themes and TV/movie–inspired themes.
At least some full-body costume listings explicitly state "No Battery Used," indicating no electronic or battery-powered features.
The pajamas highlight breathable cotton with added stretch for a snug, comfortable fit. Customer feedback notes consistent sizing and some durability through multiple washes.
