Description: Shoulder Pad: The shoulder pad of the backplate set is made of neoprene which is comfortable to wear and can be installed and detached easily. Good Material: The backplate sets are made with better nylon, stainless steel and neoprene that ensure the performance of each tools. Sea-proof: All the straps of the backplane kit is sea-proof and metals are anti-rust while the straps can be adjusted according to personal need. Buckles: Due to the material of the buckles, all of them can be used within the for ocean water for a long time. Better Fixing Tools: Within the kits there are many rubber fixing rings that is flexible to fix underwater equipment for us. Specification: Material: Stainless Steel + Nylon + Neoprene. Color: Shown as Picture. Size: Shoulder Pad: Approx. 420x70x5mm/16.54x2.76x0.20inch. Crotch Strap Width: Approx. 5cm/1.97inch. Crotch Strap Thickness: Approx. 2mm/0.08inch. Crotch Strap Cover: Approx. 38.5x5.5cm/15.16x2.17inch. Weight Belt: Approx. 3.5x5x0.23cm/1.38x1.97x0.09inch. Bent D Ring: Approx. 51x46x6mm/2.01x1.81x0.23inch. Straight D Ring: Approx. 51x47x6mm/2.01x1.85x0.24inch. Buckles: Approx. 61x23mm/2.40x0.91inch. Belt Buckles: Approx. 8.9x5.8cm/3.50x2.28inch. Small Fixed Ring Diameter: Approx. 32mm/1.26inch. Large Fixed Ring Diameter: Approx. 47mm/1.85inch. Note: There might be a few color distortions due to different computer resolutions. There might be a slight error due to different hand measurements. Package Includes: 1 Piece Backplate Harness Set(with 1 Set Shoulder Pad, 1 Piece Crotch Strap, 1 Piece Crotch Strap Cover, 1 Piece Weight Belt, 2 Pieces Bent D Rings, 2 Pieces Straight D Rings, 6 Pieces Buckles, 1 Piece Belt Buckles, 6 Pieces Small Fixed Rings and 1 Piece Large Fixed Rings).