【perfect size】- one size fit for unisex adult, you can big hit in the crowds, easy set up and move that you will be the luminous point among the crowd, will brings many happiness for you and your friends. 【perfect gift】- suitable for halloween, costume parties, carnival, easter, christmas, party, cosplay etc, you can dress up as a t-rex, interesting and creative shape, let you attract everyone's attention! 【premium quality】- our inflatable costume is made from 100% polyester material, strong and durable, waterproof, lightweight, so that you will never have to worry about any tears or holes. 【requires 4 x aa batteries or portable source】- you can insert batteries or mobile power to operate, include 1 x costume ,1 x fan, 1 x hat ! (not include) 4 x aa batteries required, so you need to purchase 4 x aa batteries yourself, it must be 4 aa batteries or it will not be powerful enough to fully inflate the costume. 【note】- please tighten the outer ring to hold the fan in place before putting on the costume, in case the ring becomes loose during shippment then the fan would fall out; if the costume can't be fully inflated, pls loosen the ring and turn the fan towards the front to better inflate the head, also, tighten the drawstrings as tight as possible. please do not put the run ...