Foam Cup Insert - 2 sizes
- This Foam inserts set is made of high density foam ,with special honeycomb design, it’s very snug and hold your tumblers/cups evenly, keep your cups level and your works will never drop.
- 4 pcs of foams with 2 sizes, these fit your 30 oz curved and skinny tumblers.
- Please always use the foam a little bigger then your tumbler, not a smaller one, then push the foam to your pvc pipe first, and push the foam into your tumbler/ cup/ bottle, if necessary , move the tumbler to make it level.
- These fit 3/4" PVC