Shaped to fit seamlessly with your pack, the small Ultralight Pack Liner is designed to protect the gear you carry inside your pack from the weather outside, giving you extra peace of mind in wet and rainy conditions. Perfect for 30-50 liter packs. Key AttributesBUILD YOUR OWN PACKING SYSTEMPart of a coordinated system for optimized packing. Customize your experience by adding on smart packing and organization accessories that meet your exact needs.OSPREY ACCESSORIES INNOVATIONAll of our accessories have been overhauled to offer better organization, operation, comfort and reduced environmental impact. SUSTAINABLE DESIGN+ bluesign® approved main body fabrics+ GRS-certified 100% recycled main body fabrics+ All DWR treatments made without PFASFeatures Roll-top waterproof closure Rectangular shape for efficient packing Waterproof-coated fabric and seams Perfect for 30-50 Liter packs. Fabricsbluesign® approved 100% recycled 40D high-tenacity nylon Dimensions (cm)47h x 31w x 26d Volume36 Litres Weight90 grams Osprey Ultralight Pack Liner - Backpack Liner Small Size For Packs 30 to 50 Litres