Here are mmerkel's ratings and reviews. These ratings are useful because mmerkel has his/her own standard and will rate and review the ping pong equipment accordingly, giving you accurate and useful ratings and reviews to aid you in your next online purchase.
These are great. We have a few mixed in with our other balls, and I can feel right away when I hit the Double Fish. Lasts a long time too. I broke one after about a month of play.