3x High Elastica Bungee Rubber Band + six Balls For Slingshot Catapult Hunt 3050 Powerful ,six strips rubber latex tube, more powerful and destructive Eight steel ball(4.5mm),effective fixed rubber band Total Length: about 420mm(16.53inch) Leather Size: 75mm x 25mm(2.95inch x 0.98inch) Rubber Band Diameter: 5mm x 3mm(0.19inch x 0.11inch)