Size: Width 11.8 Inches, 30 Centimeters, Height 15.4 Inches, 39 Centimeters, Thickness 4.7 Inches, 12 Centimeters Accessory Construction: One Main Pocket With A Compartment Inside, One Front Pocket, And Two Mesh Pockets On Each Side. There Is A Reinforced Carrying Strap At The Top, Which Can Be Used For Carrying Or Hanging. The Shoulder Straps Are Adjustable And Have Thick Padding At The Back. Product Performance: This Greek Flag Backpack Is Made Of Waterproof Twill Fabric, Which Is Lightweight And Easy To Carry. The Front Pocket Of The Main Bag Is Designed With A Zipper Cover For Better Rain Resistance. Adjustable Shoulder Straps Can Be Freely Adjusted To Your Comfortable Length. Thickened Back Cushion, Reduced Load And Spine Protection, More Breathable, Shoulder Strap Curve Design, Ergonomic. The Overall Effect Is Soft And Casual, More Casual And Casual. The Main Bag Can Material Description: Polyester Twill Composite Fabric (Polyester) Applicable Scenarios: School, Outdoor Activities, Shopping, Office, Outdoor Sports, Etc.