This Rainbow Derbies, manufacturered by US Toy Company, is listed with an MPN of H202. how your support and pride with these Rainbow swirl derbies. These economical party hats are perfect for parades and other large events. tock up on all your costume accessory and hat needs with US toy. We have a wide selection of novelty, career, costume and whimsical hats to suit any occasion. You'll be sure to find the right hat for your next party or costume with US Toy. - One size fits most adults. - Inside circumference is 23. - Outside hat dimensions are 10-1/4 long x 9 Wide x 3-3/4 High. - Rainbow swirl design. - Made of plastic.