You just set up your equipment for the first dive of your vacation in Saint Somewhere, as you Cam your Back Pack Buckle in place your Cam Buckle Breaks! The worst thing that can happen on a Tropical Vacation has just happen No BCD. Don't leave on a vacation without a spare Tank Band, why ruin a great holiday because of a few dollars. Always pack some spares. The Hollis Single Stainless Steel Cam Band Assembly is constructed from 2" (5 cm) Wide Durable Nylon Webbing with a Box Stitched Stainless Steel Cam Buckle for Extra Strength. Cam Band comes with a Non-Slip Rubber Pad. Strap end has hook & loop fastener for streamlined profile once cam buckle closed and makes a great save-a-dive kit Item.