1.Material: Made of high-quality ABS plastic, with a smooth rubber surface and soft rubber buttons. 2.Easy to use?When you are under pressure, you can press two buttons to make a sound to promote tactile stimulation, calmness and concentration; A simple delight that's hard to resist! 3.Easy to carry: Unique keychain, small size, light weight, Mini clip easily attaches to keys, purse, backpack. 4.Multifunctional: The toy can not only decompress, but also can be used for brain training to improve children's memory, concentration, patience, logic, spatial thinking and hand flexibility.It is very suitable to promote the baby’s senses and relieve the stress of children and adults. 5.Halloween Decorations: Portable keychain, you can hang it in a backpack, suitcase or carry it. The shape of the vampire bat makes it also an ornament anytime, anywhere.it can be a good decoration for Halloween home wall tree decor.This is pretty cool! ! !