Afternoon Tea LIVING Zero Gravity Backpack, black, medium size. Water-repellent, with a back designed to prevent stuffiness. The AGS function is said to absorb impact when walking, reducing the burden on the body by 43%. There are two pockets on the front, one on the back, and three inside. Used only once. When I actually wore it, it felt light, even though it was packed with a lot of luggage. Please note that it is not new. Thank you for looking.