The 20-liter Straight Jacket Compression Sack keeps your gear organized and protected within your pack or travel luggage, available in four different volumes with a rectangular-shaped compression option for more efficient packing. Features Rectangular shape for efficient packing Large access Compressible nylon wings and buckles BUILD YOUR OWN PACKING SYSTEM Part 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 INNOVATION All of Osprey's 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 VOLUME 1220 IN 3 / 20 L DIMENSIONS 8.66H X 17.32W X 11.02D IN. WEIGHT 0.201 LBS. Bluesign® approved 100% recycled 40D high-tenacity nylon WARNING: This product can expose you to chemicals including dimethylformamide, which is known to the State of California to cause cancer. For more information, go to oehha.ca.gov/proposition-65/about-proposition-65