This is the Zeagle Lumbar Pad for BC/BCD Features: Adds Comfort Increased Stability Durable Nylon Material with Foam Construction hook and loop Fastener for Attachment All Edges Taped and Sewn for Added Strength and Durability Better Comfort and Fit Great for Multiple Dive Days Fit Zeagle BCD&';s Non-Buoyant Construction Relieves Back Strain Included Screw Fasteners Zeagle&';s Full Lumbar Pad does just that, increased comfort and fit. Pad is made with a non-buoyant fiber, nylon fabric and hook and loop fastener; the Full Lumbar Pad provides extra support between the tank and the diver&';s back, and works with Zeagle BC only. Remove the strain and make carrying your cylinder system more comfortable. The Lumbar Pad attaches to the BCD with the included screw fasteners and has fully taped and sewn edges for added strength and durability.