Rolling Backpack Size:31(L)*19(W)*48cm(H); 12.2(L)*7.48(W)*18.89(H) inches,roller backpack for girls Large Capacity with Multi Pockets:1 large main pocket, 3 zipper front pockets, 2 side pockets for water bottles; can store A4 books, folders, lunchbox, umbrellas, iphone, wallets, laptop, etc. Comfortable:Padded S-shaped sponge shoulder straps can effectively reduce children's burden, so as to protect their spine and ensure healthy growth. This rolling backpack is suitable for primary school students, junior and senior high school students Removable Backpack:This rolling backpack can be a trolley or just an ordinary backpack. If your child doesn't want a trolley, just remove the rolling platform and it becomes an ordinary school bag Customer Service:This rolling backpack is a perfect gift for children on birthday,christmas or other special occasion; go to school,work or travel. And We will refund or replace, please contact us freely if you have any question about our products Rolling Backpack Size:31(L)*19(W)*48cm(H); 12.2(L)*7.48(W)*18.89(H) inches,roller backpack for girls Large Capacity with Multi Pockets:1 large main pocket, 3 zipper front pockets, 2 side pockets for water bottles; can store A4 books, folders, lunchbox, umbrellas, iphone, wallets, laptop, etc. Comfortable:Padded S-shaped sponge shoulder straps can effectively reduce children's burden, so as to protect their spine and ensure healthy growth. This rolling backpack is suitable for primary school students, junior and senior high school students Removable Backpack:This rolling backpack can be a trolley or just an ordinary backpack. If your child doesn't want a trolley, just remove the rolling platform and it becomes an ordinary school bag Customer Service:This rolling backpack is a perfect gift for children on birthday,christmas or other special occasion; go to school,work or travel. And We will refund or replace, please contact us freely if you have any question about our products