XCSOURCE 100pcs 7.2cm EVA Refill Soft Foam Bullet Darts Blue for Kids Toy Gun TH271 Materials: Plastic + Foams. It is made of soft sponge plastic material and soft round head Sucker. When fired out, the bullet can make interestingh whistle sound. Safety: Very safe soft bullets which can also be launched to far distance. Size: 7.2*1.3cm Extended Range: These darts allow for a range of up to 90 feet! Their weight and structure enable the best experience. DO NOT shoot towards people or animals! Usage: It works for Nerf N-strike Elite Rampage / Retaliator Series Blasters and Most OF NERF GUNS!