The versitile tool for just about any home use, from creating inspirational signs and posters to marking boxes and bins for storage and donation. Water resistant and wear resistant ink dries quickly when applied and is designed to endure harsh conditions. Durable chisel tip markers let you control your line width to write in various sizes and won't fray. Permanent markers won't dry out for up to half an hour without a cap; non-toxic marker is low-odor, ACMI certified and conforms to ASTM D4237. 24 count is an assorted box: 20 black and 4 red. 36 count is black only.