Package quantity: pack of an outer bag & an inner bag, you will receive 2 packs
Material: made of oxford fabric, polyester inner bag and plastic zipper, durable and sturdy enough to hold up to about 10lbs
Outer bag size: approx. 16 x 7 inches (41 x 18 cm); Inner bag size: approx. 15-3/4 x 6-3/4 inches (40 x 17 cm)
How to fill: fill the inner bag with dry sand, soybeans, rice or other fillings you like, then insert it into the outside bag and complete the process; you can adjust the filling weight according to your needs
Suitable for weight lifting, yoga training, home fitness; help exercise your muscles and relax stress as well; you can adjust the filling weight and support according to actual need
