【Best Gift for Kids and Adults】These liquid chalks can be used on all non-porous surfaces including chalkboards, glass, contact paper, stickers, whiteboards, plastic, metal, menu boards, car windows, shiny panels, mirrors and more . Perfect for DIY your projects, birthday, Mother's Day, Father's Day, Christmas, Thanksgiving, Halloween, Easter gift, unique gift for mother, father, brother, sister, friends 【Rounded Chisel Tips on Both Sides】Each liquid chalk pen comes with a switchable 6mm rounded chisel tip, making it easier to write letters, lines, shapes or shading. Durable fiber tip lasts longer and works more efficiently Works on any non-porous surface including chalkboard signage, whiteboards, LED writing boards, car windows, mirrors, stickers, plastic or metal, and more 【12 Vibrant Colors】Our SAKEYR chalk set is available in 12 different colors, including white, black, red, blue, green, brown, purple, yellow, orange, pink, and metallic gold and silver. Vibrant colors visible even from a distance perfect for window markings, signs, educational materials and office supplies 【Non-Toxic Wipes】These erasable crayons are water-based ink, non-toxic, low odor and safe for children. Strictly complies with EN71 safety standards. Whether you are a teacher, student, artist, adult or child, these are the chalkboard markers you are looking for. Erasable chalk marks are easily removed with damp paper or cloth without smudging or streaking.