Description. • Sponge rubber rings. • 6 1/2" diameter. • Set of 6 (1 ea. color - blue, green, red, purple, orange and yellow). Once frequently played on board passenger ships, deck tennis is an easy to learn game that has rules similar to conventional tennis. The Champion Sports Deck Ring Set includes 6 rings made of sponge rubber.
https://wolverinesports.com/products/set-of-6-deck-tennis-rings