Racket Expressions Tennis Dampeners - 23 Designs (2 & 5 Packs) - Great Tennis Gifts Heart shaped breast cancer awareness and support heart tennis dampener, comes as a 2 pack Made of pthalate free soft PVC, looks and performs great on any racket Absorbs a lot of racket vibration, easy to install, looks and performs great on any racket Part of the 30+ designs in the Racket Expressions signature tennis dampener catalog Money back guarantee, you can return them to Amazon within 30 days for a full refund