Ursack Major 10L bear bag, never used! Description from Ursack: The Ursack Major is a lightweight yet extremely durable alternative to traditional canisters and is one of our best-selling products. All Ursack bear bags are made of ultra-high-performance UHMWP fabric and designed to prevent bears from getting your food in their territory. Weight: 7.6 oz Dimensions: 12.5"x18" Capacity: about 10.65 Liters (approx. 5 days of food for 1 person). If packed only with freeze dried food, it will hold 37 single servings of breakfast, lunch and dinner.