Durable, hard plastic, covered palette. Designed to keep paints from drying while you're working when used with the included Sta-Wet acrylic paper. Lid inverts to become a palette with 32 wells and three large mixing areas. 11-1/2 x15-1/2" Sta-Wet Palette measures 1-3/8" deep. Includes five sheets of 10 x 14-1/2" Sta-Wet acrylic paper, 10 x 14-1/2" sponge and instructions.