PREMIUM MATERIAL: Made of water-resistant advanced technology high-quality nylon fabrics and polyester lining.
DRAWSTRING DESIGN&LIGHTWEIGHT: There are two straps on each side. You can drag the string to close the cinch sack, and then it can be a backpack.
FREE YOUR HANDS: The backpacks can also free up your hands and help you reduce your shoulder burden. Our gym sack bags are lightweight enough to make you feel relaxed.
LARGE CAPACITY: Small size - 37cm(W) X 45cm(L)/14.6"(W) X 17.7"(L) , Large size - 43cm(W) X 49cm(L)/16.9"(W) X 19.3"(L) -Can hold many things such as shorts, T-shirts, shoes, towels and more.
SUITABLE FOR VARIETY OF OCCASIONS: It's perfect for gym, sport, yoga, dance, travel, carry-on, luggage, camping, hiking, training and more.