Just Add Color Tumblers and Mugs are to be hand-painted and then placed in the oven to seal the colors. Instruction sheet included. 4 small permanenet markers (R,B,Y,G) included with Mandala Mania and Burst Of Color. JAC Paint Markers sold separately for the other varieties. Holds 17oz hot/cold beverages. Dishwasher safe, top rack only, microwave safe. Coordinating gift box. Flip-top black plastic lid included with the travel tumblers, which fit most vehicle cup holders.