We created Wishy Washy Markers because creative kids shouldn't have to be decisive! Wishy Washy Markers are non-toxic and safe for children. Wishy Washy Markers can be applied and erased on all Jaq Jaq Bird® products and most non-porous surfaces including walls, glass, cups and more. Simply wipe clean with a damp cloth to erase. Always test the erasability of Wishy Washy Markers when applying to any non-Jaq Jaq Bird® surface.