Nylon and mesh ball sack with a draw cord closure that holds 12 fully inflated size 5 balls. Adjustable and shoulder straps. Nylon and mesh ball sack with a draw cord closure that holds 12 fully inflated size 5 balls. Adjustable and shoulder straps. 70D Nylon and Mesh Bag. Drawcord Closure. Holds 12 Fully Inflated Size 5 Balls. Extremely strong and long lasting. Category Training Equipment. Colour Black amp Yellow Size 49cm dia x 90cm. This sack also features ventilated mesh panels to allow balls to dry quickly, making it a training ground essential for all levels.