Tretorn Swedish Open 4 Tube Tennis Ball 4

Tretorn Swedish Open gas-filled tennis balls are produced in collaboration with the ATP / WTA Swedish Open and are therefore extremely suitable for use in competitions.

• Made from durable rubber and woven felt, the tennis balls have a consistent and superior bounce.
• They provide a tactile touch so you can perfectly control the ball.
• Due to the bright coloured fluorescent felt, the balls are clearly visible on the tennis court.
• Due to the special Tri-Tec ™ technology, this tennis ball consists of a 3-layer construction.
• The special sealed membrane ensures that the gas filling lasts longer, extending the life of the tennis ball.