This is the Hollis Backplate Backpad 2.0 For Diving Harness System Features: Increased dive comfort Comfortable two-piece design Added lumbar support Easily pivots out of the way of doubles tank bolts and cam bands Pivot feature: Great for assembly or disassembly as needed Easy to install Durable long-lasting construction Nylon with foam padding Sewn and taped edges for added strength Note: Not Compatible w/Previous Generation Hollis&';s Back Plates Pads only, back plate not included The Hollis Backplate Back Pad 2.0 boasts a two-piece design for enhanced comfort and lumbar support, with an ability to smoothly pivot away from doubling tank bolts and cam bands for easy assembly/disassembly. Crafted from high-quality nylon and foam with sewn edge tape, this Back Pad offers greater comfort during dives. Note: Is not compatible with previous generation Hollis back plates.