The cylindrical sponge made of sponge material is safe and practical, comfortable to the touch, and can help you complete DIY work and make and practical cups. The concise design and craftsmanship will make the product convenient and practical. 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 -The cylinder sponge includes different sizes cup turner sponge inserts, meeting your different needs. -These cup turner sponge inserts can hold the cup bigger than itself, thus can keep the cup firm and not easy to fall out. -The sponge insert is elastic, which is much stable, durable and reusable and easy to clean, can be used many times. -These sponge inserts can increase the friction to the cup to keep the cup firm and not easily to fall. -Not easy to break and deformation, can be used for a long time, soft enough to adapt to a variety of cup, to give you and reliable experience. Package list: 4 x Sponges