Get ready to add some personality to your game with the Wilson NERD GLASSES Emotisorbs Vibration Dampener. This pack includes 10 dampeners, each featuring a different emoticon design to express your on-court emotions. Made by Wilson, a trusted brand in sporting goods, these dampeners are perfect for tennis players looking to add some flair to their game. Designed in China, they are compatible with tennis racquets and strings. Add some fun to your tennis game with the Wilson NERD GLASSES Emotisorbs Vibration Dampener.