Specification:<br> Large storage space, large capacity main pocket for A4 magazines, everyday clothes and other items.Breathable back, comfortable to carry, back made of breathable sponge, soft, comfortable and breathable.<br> Material: Polyester/canvas<br> Opening method: zipper<br> Applicable gender: neutral<br> Function: breathable, waterproof and wear-resistant<br> Weight Dimensions:<br> 3Pcs: 0.55kg;<br> 17 inch backpack: 0.30kg; 44*28*13cm<br> Satchel: 0.18kg; 25*19*8cm<br> Pen case: 0.07kg; 22*11*5cm<br> The package contains:<br> 1* Pen bag or<br> 1* Satchel or<br> 1*Backpack or<br> 3pcs (pen bag+satchel+backpack)<br> Note:1. Due to manual measurement, there may be a slight tolerance of 1-3cm.<br> 2. Due to differences between different monitors, the picture may not reflect the actual color of the item.<br> 3. If you need to buy a 3Pcs (pen bag + satchel + backpack), you must choose the SKU of 3Pcs. If you buy a pencil case, the package you receive will only be a pencil case, not a 3Pcs.<br> Note: 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. Sold by-dadangjia