Dimensions: 13 x 12 x 1.5". Palette Size: 9" x 12". The Ultimate Palette for Artists. No more wasted paint. Mastersons patented process keeps acrylics and other water-based paints moist on the open palette for hours. Once the lid is closed, the paints will stay in workable condition for days, even weeks. A unique sponge and special permeable palette paper provide the paint with a constant source of moisture. Paints will not dry out. Each palette contains: Five sheets of "Sta-Wet" acrylic palette paper. Cellulose Sponge. Injection molded palette Tray and Lid. Five Paint Cups & Detachable Lids. One Solvent Cup with Attached Lid. Brush storage area beneath Removable Cup Holder Tray. Complete instructions for preparation and use.