Carpet markers material:nylon Carpet markers shape:Star Carpet markers size:4 inch in diameter Carpet spot markers total quantity:165pcs (Each color quantity:15) You could write on them with marker pen Carpet markers floor dots easy to clean,no crinkle,washable and reusable Carpet dots for classroom of 11 vibrant colors (Red,Yellow,Dark Blue,Green,Orange,Purple,Rose Red,Light Blue,Grass Green,White,Black) Stick these bright and conspicuous colors floor dots on the carpet are useful reminders for children or student These carpet marker floor dots spots adhere firmly to carpet and could be vacuumed over without detaching from the carpet; Could be removed easily without causing damage These vibrant colors are popular with kids and help them to learn colors and identify sitting,line up or standing locations Carpet dots markers are great for elementary teachers to arrange daycare kindergarten classroom activities,classroom decor, classroom supplies also suitable for classroom games and activities,such as agility training,exercise drills,color tracking,dancing,sports and more The carpet spots great for lementary teachers' classroom kindergarten activities and all educational and preschool activities exercises,classroom decorations,classroom supplies Please note that spot marking is not suitable for all carpets,choose spot marking according to the carpet material The atar markers suitable for carpets with shorter and tighter fibers,such as high-density nylon carpets,low-pile carpets and short-pile surface carpet,not suitable for carpets with shaggy carpet,rug,velvet carpet,natural grass carpets,irregular surfaces or textured textures carpets and long fibers carpet Package 165 pcs 4inch Star Shape Carpet Markers Floor Dots (11 color)