J.cotton Man Stylish Business bag Messenger Bag Briefcase Laptop/Tablet Backpack 1. Material : High-end Snowflakes cloth fabric . Fashion, strong, wear-resisting material, have certain water proofing property. 2. Two comfortable wearing style for your choice no matter carrying in your hand for wearing on the back .The top is made of lead alloy . new luxury simplicity generous . Padded laptop compartment and tablet pocket for protecting your important computer which is for business and study 3. Size: length =28cm , height =41cm ,width =10cm . Big capacity for holding your laptop, tablet, phone, pen, notebook, wallet, and other things as many as possible .( It could hold 15-16 laptop .)