Size information-the round glass dish measures approx. 4 1/2 inch in diameter, 1 inch in height, appropriate size for diffusing essential oils and fragrance oils. Package-Safty Package,replacement oil warmer dishes in one package, enough quantity for your daily use, replacement and sharing with your family or friends. Easy to use-the wax melt warmer round glass dish is more suitable for 20 to 35 watt halogen bulb, which allow to heat the dish quickly and dish to cool before handling; Note: please do not use with lamp bulbs over 50 watts and take care of it when using, easy to damage if dropped or collided. 4.5 Inch - Fit for oil and wax warmer dishes plug-in aroma lamps, most wax warmer, electric wax warmer, wax heater, double wax warmer or fragrance warmers diffusing essential oils and fragrance oils, larger and more stable . High Quality Glass - Corleone Replacement oil warmer dish is made of high quality glass material, environment friendly, leak proof, reusable and long last service life. Smooth surface and nice texture make it very easy to clean.