Come and see our amazing products. The Shoulder Starp is Adjustable, Whether Adults or Youth Can Adjust Them to the Lenth that Suits Themselves. Backpack Design Can Free Up Your Hands.This gym sackpack is suitable for a variety of occasions, such as gym, sport, yoga, dance, travel, carry-on, luggage, camping, hiking, training, teamwork, family storage, and more, or as a bag for your trip to school or the supermarket. Add your company name or logo for maximum visibility. Pls confirm with us about the packing info, stock color and exact production time before placing your order.