SIZE: suitable for height 160-195cm, one size. Material: 100% polyester, waterproof Each package includes a blower, the battery is not included, you need toprepare it4 * AA batteries Steps for usage: 1: Open the battery box and add 4*AA batteries; 2: Open the ring on the blower, put the blower inside the product, and then rotate and fix the outside of the ring sleeve. 3: After connecting the USB port and the battery box (if you have a power bank, you can also directly connect the power bank), turn on the switch, and then put the battery box in your pocket. 4: Put on clothes. Precautions: 1: Children should be used with the help of adults. 2: Pay attention to the positive and negative poles of the battery. 3: When not in use, please take out the battery. 4: Keep the inflatable suit away from sharp objects, such as scissors, to prevent it from being scratched. 5: Don't drop the blower battery box on the ground, keep it well. 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!