Our 14" X 18" Eat. Sleep. Gymnastics cinch sack is made from tough nylon for an everyday or travel bag that is a great end of the season gift for a gymnast. This stylish and bold cinch sack is perfect to use as a backpack as well as an over the shoulder bag, and stays closed with a cold-matched drawstring. Gymnasts will be proud to use this bag all year round, whether it's for overnight trips and travel, school books and supplies, or bringing clothing and accessories to practices and meets.