Chalkals Mushrooms Chalkboard Mural. You've seen your share of children's wall decals before but never like this! A Modern Dose exclusive, Chalkals feature adhesive chalkboard vinyl for both beauty and function! Chalk writes on and wipes off easily Easily repositionable/removable (Won't peel off paint!). Made in the USA. Bring the outdoors in with our "Mushroom" ChalkalsTM! A Modern Dose exclusive, ChalkalsTM feature adhesive chalkboard vinyl for both beauty and function! Dimensions: X - Large Mushrooms 23x25, Large Mushroom 12x15, Medium Mushroom 9x10, and (2) Small Mushrooms 6x8. Set Includes:5 mushrooms as pictured. Please allow 6 to 10 business days for delivery.