Rubber Bottoms are for tumblers. The 20oz ones fits all tumblers up to 20oz’s. The 30oz ones fits all tumblers up to 30oz’s. This is a great item to add that special touch to your customized tumblers. You can use these for any type of tumbler. Epoxy , Sublimation or Vinyl Tumblers .
I loved this product! Will definitely order from this company again!
I love them