The Seattle Sports Explorer Dry Bags are ideal for all outdoor adventures, from camping to white water rafting, bird watching to biking, these bags go the distance. Explorer Dry Bags are constructed with 19 oz. (538.6 g) vinyl-coated nylon with radio frequency (RF) welded seams, and extended heavy-duty abrasion resistant wrap bottom. The dry bags have an easy to load round bottom design and a waterproof 3-roll down top closure with a squeeze-style side-release buckle. When the buckle is snapped together it functions as a carry handle. D-ring for tie-down and lashing. The bags are available in multiple colors and sizes. Recommended uses by size are as follows: Large Bags Multi-day trips and bigger items like clothing, camping stove, boots, parkas, sleeping bags, or food. Medium Bags Day trip needs and smaller items like first aid kit, flares, books, tools, or snacks. Small Bags are perfect for valuables like passport, watch, wallet, purse, matches, money, flashlight, etc. Each bag has the following dimensions, volumes and weight when empty: X-Small (H x Dia.) 10″ x 6″ (25.4cm x 15.25cm) with 300 cubic inches (5 liters) of volume and weighs 6.4 oz. (181.4 g) Small (H x Dia.) 15″ x 7.5″ (38cm x 19cm) with 600 cubic inches (10 liters) of volume and weighs 6.4 oz. (181.4g) Medium (H x Dia.) 18″ x 9.5″ (45.7cm x 24cm) with 1,275 cubic inches (21 liters) of volume and weighs 17.6 oz. (499 g) Large (H x Dia.) 25″ x 11.5″ (63.5cm x 29.2cm) with 2,500 cubic inches (41 liters) of volume and weighs 20.8 oz. (589.7 g) X-Large (H x Dia.) 25.25″ x 13″ (64cm x 33cm) with 3,356 cubic inches (55 liters) of volume and weighs 24 oz. (680.4 g) X-Large (H x Dia.) 28″ x 12.5″ (71cm x 31.75cm) with a volume of 3.500 cubic inches (55 liters) and weighs 32 oz. (907.3 g) The Seattle Sports Explorer Dry Bags are proudly built in the USA.