STURDY&DURABLE: Made from high-grade, tear and water resistant nylon fabric with reinforced stitching for uncompromised durability with long-lasting use. SEPARATE SHOES COMPARTMENT: Side zipped compartment is designed to keep your shoes and dirty gear separate. COMFORTABLE&FOLDABLE: Adjustable shoulder strap so you can wear it at the length that works for you or taking off the shoulder strap and use the handhold strap only, padded wrap on carrying handles for extra comfort. Foldable design help carry easily. MULTI-POCKETS&ROOMY: Small size(35L): 18.9*10.2*11, Large size(50L): 22.5*11*11. There are a spacious shoes compartment, two outer zipper pockets and a main compartments, roomy for gym clothes, shoes, water bottles, wallet, cell phone, headphones, keys etc. It’s the perfect size for gym and sports. AFTER SALES SERVICE: It is a foldable bag for workout,travel, sports activity, tennis, basketball,yoga,camping, hiking and many outdoor activities.We provide three-mouth warranty, please contact us through order whenever you meet quality problem, buy with no worries!