Lone Peak Expandable Rack Pack Made in the USA since 1979, Lone Peak uses super-durable, water resistant 1000 D Textured Nylon Large, fully padded main compartment expands for camera, extra clothes, groceries, etc. Two pleated zippered side pockets, one zippered top lid pocket, D-Rings, top carry handle Four-point webbing and buckle system fastens pack securely to any bike rack, rear light hangar Dimensions: 12"L x 6.5"W x 11"H (closed) x 16H (Expanded); Volume 1030 cu in; Weight 1lb 6oz.