RoseA12 Washables poster paints. Mega Brands RoseArt Washable Poster Paints, 12-Count, Assorted Colors - Handy Pull Apart Caddy That Holds All 12 Paints - Certified Non Toxic - Great for Home and School. RoseArt Washable Poster Paints are premier artistic paints that inspire bold creativity in children for big, bright projects and are a great addition to any home or school art studio. The washable paint formula rinses clean from skin and clothing with soap and warm water. These 12 poster paints come with a handy pull-apart caddy to share your paints with a friend and keep them safe and secure when in use or stored away.