I am selling this item because I purchased it but have not used it. --- 【Product Overview/Use】Ultra-lightweight, packable portable sub-bag 【Functionality】Ultra-lightweight, packable, comfortable 【Weight】280g 【Material Details】Ripstop Silicone 70D Nylon 100% Description Product Introduction An ultra-lightweight and packable sub-bag made of silnylon material. Thin foam is placed on the back and shoulders to further improve comfort when carrying. In addition to a convenient zippered main compartment, it also has a front zip pocket, providing ample storage. Comes with a storage pouch. 【Functional Details】 ・Ultra-lightweight silnylon ・Thin cushioning on the back and shoulders ・Main zip pocket ・Front zip pocket ・Left and right side pockets ・Storage pouch