BioPak 840ml 24oz Clear Salad BioBowl (Carton of 450) HALEIM03 Each jar comes with a Each jar comes with a durable silicone seal \n \nBENEFITS: \n \nFast cutting stone for general sharpening of cutting tools knives shears \n \nSPECIFICATIONS \nType: Silicon Carbide \nGrit: Coarse 120 Fine 320 \nSize: 200 X 50 X 25mm \nMade in: Mexico \n \nSILICONE CARBIDE (SC) V’S ALLUMINIUM OXIDE (AO) \n \nSilicon Carbide is preferred for faster stock removal if the knife is chipped or highly blunt whereas Aluminium Oxide is preferred to finish the edge being a slower cutting stone Cold use only These takeaway salad bowls are commercially compostable