High-Quality Materials: The anatomical brain coasters come in ten pieces. Fun coaster set made of acrylic, high and low temperature, strong and . Beautifully patterned and each coaster is coated with a sealant to prevent the decal from rubbing off. Anti-Slip: Our brain slice coasters have four rubbers on the bottom to prevent slipping. Stabilize the cup and protect your table from scratches. When you enjoy a hot drink, it leaves no marks on the table. It also doesn't make much noise when you place the cup on the table. Easy to Clean and Store: Hand wash only, you can also use a cloth to gently wipe clean. Cannot be placed in the microwave. The coasters for drinks fun measure 4 inches, for a variety of mug sizes. Interesting Organ Design: Stacked in label order, you can see a 3D brain, fun and does not take up space. Meaningful Neuroscience Gift: These medical coasters will be very meaningful as a thank you gift for doctors, nurses, medical students, medical staff. The weird coasters will also be a special decoration for the office, coffee table. Graduation gifts from medical school. Weird gifts. Color: As Shown Material: Acrylic Package Contents: 10 * Coasters Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture to differ slightly from the real one. The allowed measurement error is +/- 1-3 cm.