Sta-Wet Painters Pal Artist Palette - 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, One Cellulose Sponge, Injection Molded Palette Tray and Lid, Five Paint Cups and Detachable Lids, One Solvent Cup with Attached Lid, Brush Storage Area beneath Removable Cup Holder Tray, and Complete Instructions for Preparation and Use. Palette measures 13x12x1-1/2 inches.