T-Rex Dinosaur Design Towel Poncho. This hooded towel poncho is made of high quality 100% cotton velour material. Measures 24″ x 36″ H (including the hood) when used as a poncho. Measures 24″ x 48″ H when used as a towel. One size fits all for children two to nine years old, 30-80 pounds and 3′- 4′ 8″ tall.