[High-quality Materials] - The anatomic brain coasters come in ten pieces. Fun coasters set made of acrylic, high temperature 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 has four rubber on the bottom for non-slip. Stabilize the cup and Protect your table from scratches. When you enjoy a hot drink, it 't leave any marks on the table. It also doesn't make much noise when placing the cup on the table. [Easy To Clean & Store] - Hand wash only, you can also use a rag to gently wipe that clean. Cannot be put in the microwave. The coasters for drinks funny measures 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] - This medical-coasters be very meaningful as a thank you gift for doctors, nurses, medical-students, medical-staff. The weird coasters also be a special decoration for the office, coffee table. Medical-school graduation gifts. Weird Gifts. Colour: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 a little different from the real thing. The measurement allowed error is +/- 1-3cm.