【Backpack Size & Material】 Backpack for school size: 31(L)*16(W)*45cm(H); 12.2(L)*6.29(W)*17.71(H)inch School backpack is made of durable polyester material, scratch-resistant, lightweight, water-resistant, suitable for elementary school.【Backpack with Chest Buckle & Reflective Strips】 Backpack elementary school with chest buckle to prevent straps from slipping off. The reflective straps on shoulder straps will protect, make more safer at night and on rainy days.【Large Capacity of Backpack】 backpack has one main pocket with laptop compartment and two open pouches; one large front pocket; two small pockets to hold school supplies; one hidden security pocket in the back to place valuables; and water bottles fit on the side pockets.【Comfortable Bookbag】 Padded back panel, s-shaped sponge straps effectively reduce' burden to protect their shoulders and spine and provide support for healthy growth.【School Bag Meets Various Needs】 This backpack is suitable for school, also perfect for those little travelers, hiking, camping, also used as a gift for birthday, Christmas Day, New Years Day and so on. ‌ ‌【Backpack Size & Material】 Backpack for school size: 31(L)*16(W)*45cm(H); 12.2(L)*6.29(W)*17.71(H)inch School backpack is made of durable polyester material, scratch-resistant, lightweight, water-resistant, suitable for elementary school. 【Backpack with Chest Buckle & Reflective Strips】 Backpack elementary school with chest buckle to prevent straps from slipping off. The reflective straps on shoulder straps will protect, make more safer at night and on rainy days. 【Large Capacity of Backpack】 backpack has one main pocket with laptop compartment and two open pouches; one large front pocket; two small pockets to hold school supplies; one hidden security pocket in the back to place valuables; and water bottles fit on the side pockets. 【Comfortable Bookbag】 Padded back panel, s-shaped sponge straps effectively reduce' burden to protect their shoulders and spine and provide support for healthy growth.