1.100% Brand new product,pls be confidence with the quaity. 2.Liquid silicone skirt and strap,without any leaks,Comfort fit. 3.PC frame,durable with gopro mount,easy attached to Gopro hero 1,2,3+4,4 session,SJ4000,xiaomi yi camera 4.Ultra clear tempered glass lens,CE and ROSH certification,safty diving mask. 5.Color: Black Warm reminder: Only diving mask included,the gopro camera and waterproof case,knob screw not included. Pacakge: 1x diving mask Simple PE bag,bubble bag protection.