*【Premium Material】: Shoulder sling bag is made of 100% nylon,durable,waterproof and lightweight, you can use this crossbody backpack whether you are riding a bicycle or hiking. *【Safe Design】: Crossbody backpack is designed with an anti-theft zipper pocket on the back, a hidden zipper compartment in the front for easy storage of valuables. *【Multi-Pockets】: Black travel backpack is stylish and practical with 5 pockets,convenient to use.The main pocket has two compartments to hold a tablet, and side pockets for water bottles,etc. *【Function ＆ Occasion】: Waterproof sling bag can be used as a shoulder bag, crossbody bag, chest pack, travel Backpack, Messenger Bag and the adjustable shoulder strap can be converted left and right,suitable for office, travel, camping, school,etc. *【Gift for Men】: Multi-purpose One Strap Backpack is perfect gift for him on Thanksgiving, Christmas, Birthday, Father's Day, Valentine's Day, back to school. *【Satisfaction Gurantee】: 100% satisfaction guarantee warranty and friendly customer service: Don't worry about the service. If you have any problem about the item, Please Do not hesitate to contact us. (Through the order ,you can find out : CONTACT SELLER) We will be there with you!