A cylindrical sponge, made of sponge materials, safe, durable, and excellent in texture. It is mainly suitable for DIY cups. The excellent production technology makes it have good functionality and can help you save time, can have more time. Features -Color:Black -Material:Sponge -Size:12.00X9.00X9.00cm/4.72X3.54X3.54in -Size:11.00X7.50X7.50cm/4.32X2.95X2.95in -Size:12.00X8.00X8.00cm/4.72X3.14X3.14in -These are some different sponge insert for your cup turner machine, can hold different sizes cup. -With the tumbler turner sponge your cup will not easily fall, you can crafting the cup with ease. -This cup turner sponge fits different types of normal and tumblers with diameters, practical. -With the wide use ranges, these sponges are suitable for steel glass tumblers, ceramic cups and glass crafts. -The tumbler sponge with the different center hole diameter, can be applies to different cup. Not easy to break deformation, can be used for a long time, soft enough to adapt to a variety of cup types, giving you and reliable experience. Package list: 4 x Sponges