material:plastic;red/blue/black ink.3 color replaceable white board marker. 3 color replaceable white board marker,we can replace the refill once the ink is use up.Size:153x29.5cmColor of the marker:red,blue,blackpacking:1pc/opp bag,20pcs/inner box,200pcs/ctnMeans:35.7x41x44cmGw./Nw.:18/16kgsBlister card packing:1pc/blister card,12pcs/inner box,216pcs/ctnMeans:63.5x47x33cmGw./Nw.:22.5/20.5kgs 3 ...