Material: PP 140*13mm dia suitable for dia 12mm chalk keep chalk, avoid chalk breakage low price keepers different colors

Built-in chuck positions firmly holds standard  school chalk .

Built-in push button to advance chalk,includes one piece of

reduce the pollution to hands and clothes

save chalk, avoid chalk breakage, can write with chalk holder until the chalk end.

very convenient, can stick to the board, it's magnetic cap

spring in it, it's flexible

Item name	colorful plastic chalk keepers
Use	Professional quality chalk keepers for teacher,office ,classroom
Item NO.	LJ-CH-03
Material	plastic
weight	19g
inside box	15*9.5*19
carton size	48*21.5*40
pcs/box	12
pcs/ctn	600
N.W/CTN	11.4KG
G.W/CTN	12.4KG

deluxe chalk keepers chalk holder