Super Lightweight Waterproof Sling Backpack

The outer layer of the backpack is made of Oxford cloth, which is wear-resistant, waterproof and multi-layer design. It can carry mobile phones, keys, water cups and other necessities. With a special earphone cable hole, enjoy music at the same time, do not worry about the security of mobile phone, MP3. 12 3/5"L x 6 2/5" W .