Thank you for viewing. Instant purchase is welcome. You want to compress your sleeping bag even further for more compact storage. Montbell's "Compression Cap (M)" is the item for that purpose. I haven't used it much, so the condition is good as shown in the photos. * No pets or smoking in my home. [Material] 210-denier nylon ox [Weight] 85g [Size] M [Suitable Size] ∅19 x 48cm (maximum length) * Please check the Montbell website for details.