Kids Inflatable Costume, Dinosaur T-REX Costumes with LED Light（Blue）90% Polyester, 10% Cotton Kids Inflatable Costume, for boy or girls XS: 3 6 Years, S: 7 13 Years Design: Kids Inflatable Dinosaur Costume with 100pcs LED light, perfect for day and night show. the hat also with led light, and include 2pcs batteries cell. Requires 7 AA batteries, batteries are not included, it must be 4 AA batteries or it will not be powerful enough to fully inflate the costume How to use: put the inflatable costume onand turn on the