Lightweight 5L Practical Mesh Soft Edge Sports Backpack Super Breathable Outdoor Backpack Large Capacity for SportsSpecifications: This bag is very handy for hydration when you are on the go. The large capacity allows you to store as many items as you need.Adopting mesh design, this backpack is super breathable and it is ultra light, very labor-saving. And the adjustable design makes it easy for you to adjust suitable size.It is constructed of polyester material.Length of this product is 45cm, the width is 22.5cm and the height is 5cm. Sports backpack is suitable for outdoor, cycling, going out, work, travel and so on.Item Name: Hydration BackpackMaterial: polyesterGender: UnisexFeatures: Bandage, Adjustable, Super BreathableSize Details: LxWxH: 45cm x 22.5cm x 5cm/17.72" x 8.86" x 1.97"(Approx.)Notes: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.Package Includes: 1 x Hydration Backpack