Made of high quality plastic and EVA foam, non-toxic material. Have fun playing and safe fight ^Real World Action: War Games is real world competition - offering your child an alternative to TV games or computers. She participates in active pleasurable emotions and learns to build relationships in the real world.^Measures 2.8 x 0.5 inches The best refillable general purpose bullets are in your arsenal. Compatible with most original Nerf N-Strike series and major brands of soft throw guns that use the same size.^Cost-effective bullets: 100 pieces, refill pack for guns. Your kids don't need to feel frustrated when they lose their bullets for their favorite toy.^Attention: The tip is a bit harder than the head on a arrow and actually flies a little faster and further. So please don't shoot the children under the ten directly. For safety, please do not point at the eyes of others or the like.^