The set of 2 black Securing Straps for Xpandable Series Long Lens Bag from Lenscoat are multi-functional straps to be used with the Lenscoat's Long Lens Bags. They can be used to secure items such as tripods or monopods to the bag or used to secure the bag itself to stable objects while transporting your long lenses. They utilize male to female quick-release clasps and measure 21" when unbuckled and 10.5" when buckled.