The Ultra-Sil Shopping bag is a small, reusable bag. Compact and lightweight it can easily be tucked into a purse, jacket or clipped onto a keyring using the handy attached carabiner.  The shopping bag features bar-tacked reinforced stitching, so it can be filled to capacity week in, week out and still perform like new.  Ultra-Sil 30D siliconized CORDURA fabric for strength and durability  Bag has supported a 286 lb / 130kg load under test conditions  Bar tacked and reinforced stitching at key stress points  Waterproof Material