1. Material: PC2. Compatible models: for Insta360 X33. Durable, resistant to surfing pressure will not destroy its photographic effects4. Full body underwater waterproof design, ideal for diving, snorkeling, swimming and other water sports.5. Protective shell sealing, not only better waterproof, more effective in preventing fine dust from entering the camera.Specification: Package Weight One Package Weight 0.35kgs / 0.77lb One Package Size 12cm * 10cm * 8cm / 4.72inch * 3.94inch * 3.15inch Qty per Carton 84 Carton Weight 30.00kgs / 66.14lb Carton Size 52cm * 43cm * 35cm / 20.47inch * 16.93inch * 13.78inch Loading Container 20GP: 340 cartons * 84 pcs = 28560 pcs40HQ: 791 cartons * 84 pcs = 66444 pcs