Babolat-Play And Stay Red Foam 3 Pack Tennis Balls Approved by the ITF and USTA, the Babolat Play and Stay Red Foam 3-Pack Tennis Balls are perfect for beginner players new to tennis. Constructed with red felt, this tennis ball is engineered to be slightly larger and 75% slower than a standard tennis ball... Babolat Tennis Balls | Red Stage | Junior Tennis Size - (See Description) | Color - (See Description) Authorized Babolat Dealer. All racquets are strung and ready for the courts! SEE SELLER DETAILS FOR RETURN POLICY.