1.Larger zippered compartment is compatible with iPad Pro 11 3rd M1 5G 2021,compatible with ipad Air 4th 10.9 2020,compatible with iPad 10.2 2020 2019,compatible with iPad Pro 11 2020 2018,compatible with iPad Pro 10.5,compatible with iPad Air 3 10.5,compatible with iPad 9.7,compatible with iPad Air 2/1,compatible with iPad Mini 5/4/3/2;compatible with Surface Go 2/1;compatible with Sumsung Galaxy Tab A 8.0/9.7/10.1/10.5/ S2 8-9.7;compatible with Kindle Paperwhite 10th or other 6-11 inch tablets. 2.Dimensions: Smaller zippered one for phones, wallet or outdoor/travel sundries. 2 mesh bags in each side for water bottle or umbrella (up to largest diameter 2.5 inch). Multi-functional storage area, accessary compartment with functional pockets to keep your mouse, books, papers etc. 3.Flexible satchel shoulder strap varied from 18 to maximum 36 inch can be adjusted loose or tight. Perfectly fit your body. Two ways of carrying: left or right. Relieve the pressure when you carry your bag for a long time. Can be used as messenger bag / shoulder bag / crossbody backpack / casual daypack / sling bag / chest bag / travel bag / working or business bag, suitable for office, school, outdoor, business and other occasions. 4.An earphone hole on the front pocket enables you to enjoy music easily. Meanwhile the breathable shaped padded shoulder strap and back panel is extremely comfortable and lightweight, which will release heat rather than accumulate. 5.Made of durable and soft polyester material with gliding smoothly zippers and strap clip, allows you convenient access to your stuff.