DescriptionIf you are looking for a professional and affordable replacement cup turner insert, then your research is over here. That's because our product can meet your need. Adopted of premium material, it is practical and durable for long time use. It is not easy to get deformed and bring you much convenience.Features-Material: EVA - Comes with 2pcs 3 inch inserts and 2pcs 3.7 inch inserts.- All four pieces cup turner inserts are fit for US style 3/4 inch pipe.- Flexible structure, fit nicely to your cup, not easy to come off.- 3 inch insert is fit for 10-20oz tumbler and 3.7 inch insert is fit for 30oz tumbler.- Assemble the insert with the pipe, then put it into the tumbler.