1.Dimension:27*9*17cm, shoulder strap 113cm (total length), and strap is not removable. 2.It's made of soft canvas and high quality nylon, very durable,fashionable,soft and skin-friendly, lining material is polyester. 3.It has a large capacity,you can carry wallet,cosmetics, sunglass,cell phone,short umbrella etc with it. (Not suitable for A4 size Books, but A5 Size is OK) 4.Zipper closure keeps your interior devices safely protected;Shoulder strap make the bag easy to carry . 5.It is designed like craft paper sacks.When closed,it is funny and fantastic to cover firstly and then buckle up with magnetic snap. .The fashionable bag with a unique innovative design is a good choice for daily use,date,party,shopping,travel etc.