Size: about 9.5cm * 2cm; Materal: EVA+Rubber; Fits for Age 8+ When fired out, the bullet can make whistle sound, very interesting (The head of the bullet is with a hole) You can buy more packs, share to your friends and team, make your Elite team more stronger and more joy !!! Caution: This is 3rd party dart and the head of each bullet is soft and safety, but please don’t aim at the companion’s face or eyes Package Include: 72 x Bullets