464-52000 Features: -These extruded lumber crayons last up to 10 times longer than ordinary molded wax crayons.-Fade-proof, water-proof, smear-proof.-Won"t melt in direct sunlight.-Dia.: 1/2 in.-Usage: Wet & Dry Surfaces.-Price is for 1 DOZ there are 12MKR/DOZ. Dimensions: -Length: 4 1/2 in.