【Lining】: high density smooth satin with excellent soft handfeeling【Hardwares】: 5# Solid durable smooth metal zipper on front pocket, main compartment and anti theft back pocket, life time guaranteed solid D-ring, square buckle and adjustable buckle for shoulder strap【Size】: W10.5"xH12.5"xD4.5", perfect fit for 9.7" Ipad, top handle drop: 3", detachable and removable sling shoulder strap length: 27"【Convertible Feature】: with fashion 2-tone solid removable nylon shoulder strap, you can use it as a sling shoulder bag or backpack【Anti Theft Feature】: this women backpack purse has pocket on back, you can put your important small items, such as key, bank card and so on