Rolls up flat and rolls up when empty, making it very packable and saving space in travel bags, backpacks and handbags. 1 litre capacity weighs only 34g, perfect for ultra-light backpacking and camping. Size: 6 x 13 inches (15 x 33 cm). Made in the USA International products have separate terms, are sold from abroad and may differ from local products, including fit, age ratings and language of the product, labelling or instructions.