Yonger 1/5/10 Pcs Art Alternatives Paint Tray Palette, 10 Wells with Thumb Hole (1 PCS ) Size: 9"(L)* 7"(W) Material: Plastic. 6 round wells and 4 rectangular wells. Large thumb-hold ring with contoured rest - hold naturally and comfortably for hours. It is easy to clean and use. Suitable for all water based media. Different size and design wells for mixing colors. Ideal for amateur painters, art classes / lessons, small paint projects, kid's painting projects / parties, and a great gift for friends / kids. Works for oils and especially for acrylic or watercolor paints.