Sea To Summit Travelling Light Ultra-Sil Shopping Bag nylon Tiny and light: only weighs 1.7 oz / 48g and the packed down is only about 3 in x 2 in Volume is 1525 cu in / 25 Liters - bigger than supermarket paper bags Bag has resisted in excess of 130 kg (285 lbs) load Siliconised Cordura for maximum durability and tear strength Comes in a Ultra-Sil stuff pouch that's sewn to the shopping bag, so you won't lose it