Size Opening Capacity Medium 5.5 IN (14 CM) 4.2 cups (1 L) Large 7 IN (18 CM) 10.6 cups (2.5 L) The Quencher Cinch Top Bowl simplifies fueling on the go with an integrated drawstring closure that keeps kibble contained en route and accessible at mealtime. It\'s a twist on our original packable dog bowl – cinching closed when its full, opening wide when it\'s chow time, and then packing down when it\'s empty. Great for hungry dogs on the trail, at basecamp, and anywhere in between. ADDITIONAL FEATURES Packable, lightweight food and water bowl Integrated drawstring closure Durable, water-resistant shell fabric Lightweight, waterproof lining Reflective trim for visibility in low-light conditions MATERIALS Shell: 600 denier polyester Lining: 210 denier nylon taffeta with waterproof finish rated at 4,000 mm (Food Grade) Rim: 100% nylon webbing Drawstring: 100% nylon Made in Vietnam