ZZHXSM 5-Piece Sidewalk Chalk Holder Set, Railroad Chalk Holder Large, Plastic Adjustable Clips for Kids, Teachers, Students, Office and Artists

["Vibrant Colors: You'll receive a sufficient quantity of sidewalk chalk holders in four bright colors¡ªblue, red, green, and purple¡ªrandomly assigned;enough for use, replacement, or sharing with classmates; chalk not included.","Finger Protection: The colorful railroad chalk holders protect your hands from direct contact with chalk, keeping fingers clean while preventing chalk breakage; even if dropped from a table under their protection, they won't shatter, effectively reducing waste.","Easy Writing or Cleaning: The large school-use chalk holders provide clear and distinct lines on blackboards and can be easily wiped off with a damp towel; the colorful holders are sturdy and durable for long-term use.","Wide Application: These teacher-use chalk holders are practical accessories for homes, offices, classrooms, schools, etc., suitable for teachers and students to learn,write,draw,or solve math problems; boys and girls will love them.","Size Details: The chalk holder measures approximately 12.5 cm / 4.92 inches compatible with chalk about 2 cm / 0.79 inches in diameter» equipped with an elastic buckle it allows simple adjustment of chalk length and is easy to operate."]