The Canvas Bag Dimensions: 37L*8W*29Hcm,( 14.5Inch*3Inch *11.4Inches) Which Could Fit Up To 13.3"Laptop The Weight Is 1.5Lb. .Total:8 Pockets ,Structure: One Main Zipper Comparment With 2 Inner Layers And 1 Zipper Pocket Inside , 2 Front Pockets & 1 Back Zipper Pouch ,One Aditional Zipper Pocket On The Flap Cap. .The Capacity:You Could Put One 13.3" Macbook Air ,One A4 Binder 2Pcs Of 300 Sheets B5 Books ,Your Phone Wallet Keys Etc. .Strap Adjustable Length: About 14 -28Inch,You Could Use It As Shoulder Bags Or Crossbody Bags By Adjust The Strap. .Material :100% Cotton Canvas .There Is Velcro Open And Close This Bag Quickly And Convinent. .