Adult Backpack, Transparent Perspective Waterproof Adjustable Daily Bag Multi-Function Bag Pack for Male FemaleFriendly Tips:1. Please kindly allow a 2-3% difference according to manual measurement. 2. Please check the measurement chart carefully before you buy the item. (1 inch = 2.54 cm). 3. Please note that a slight color difference should be acceptable due to the light and screen. Thanks.Specifications: Material: Polyester + PVC Color: Red / Light Gray / Black / Purple / Pink Pattern: Transparent Perspective Style: Simple, Leisure, Casual, Festive Suitable Season: All Seasons Bag Type: UniversalGender: Women / Men Size: 30 * 16 * 44 cm / 11.81 * 6.3 * 17.32"Package Contents: 1 * BackpackPromise: If the product has any quality problems, please feel free to contact us, we will help you solve the problem as quickly as possible.