High-tech travel packing cubes are lightweight and adventure ready, designed to keep gear safe and organized when travelling and off-roading Manufactured from TPU laminated 70D ripstop nylon with a translucent window panel that makes it easy to see what’s inside PU-coated zippers and RF welded seams keep dirt and water out (IP6X rated for dust ingress protection), protecting gear from the elements Low-profile Hypalon grab handles are welded to the cube for easy and convenient handling and lashing to other gear Medium / 3.5-liter packing cube measures 10.4 x 5.5 x 3.9 inches and weighs 0.14 pounds; volume is 3.5 liters The Sea to Summit Hydraulic Packing Cube is a rugged, yet lightweight travel organizer for adventure travel and off-roading. Designed to keep gear safe and organized, cubes are manufactured from TPU laminated 70D ripstop nylon with a translucent window panel that makes it easy to see what’s inside. PU-coated zippers and RF welded seams keep dirt and water out (IP6X rated for dust ingress protection), protecting gear from the elements. Lo- profile Hypalon grab handles are welded to the cube for easy and convenient handling and lashing to other gear. The Sea to Summit Hydraulic Packing Cubes are available in five sizes: X-Small / 0.75 Liter, Small / 1.5 Liter, Medium / 3.5 Liter, Large / 7 Liter, X-Large / 9 Liter. Sea to Summit products are guaranteed against defects in materials or workmanship for the lifetime of the product.