High quality polyester fabric which is durable, waterproof, tear resistant. Gym Bag guarantees the long lasting.It has many internal and external organizational pockets,which enable you have enough place for everything.With adjustable padded shoulder strap（13-20in). Overnight weekender bag can be used as Crossbody bag，Carry on bag，Tote bag，hospital bags for labor and delivery, diaper bag. Multi function duffle Bag is a perfect choice for travel, gym, school, yoga, workout,camping, hiking and daily use.