For bulk quantity Rates Please call 9619003070 The Borosil Salt and Pepper Set: Is made of 100% borosilicate glass and is guaranteed to withstand temperatures of up to 350°C Is 100% flame proof and can be used directly on the flame Can be safely used in the microwave, oven, fridge, freezer and dishwasher Unlike plastic or ordinary glass, will not leach chemicals into your food even after repeated usage Is harder and tougher than ordinary glass Is scratch resistant Non porous glass will not absorb stains or odors Retains perfect clarity. Unlike regular soda lime glass, will not turn cloudy with repeated usage.