Long lasting scented mineral oil based Gel Melts for warmers are a great alternative to burning candles. For Home, work office, dorm rooms and more! Each 1.5 oz cup will give you 30 to 40 hours of aroma when heated properly at a minimum of 25 watt light bulb. How to use: Remove a teaspoon of gel at a time onto a heated surface. Scent is activated when gel starts to melt. Easier to clean than messy wax tarts. Just cool, peel and discard. Made in USA by The Gel Candle Company since 2005. Scent Description: Concord Grapes - Sweet and gentle concord grapes.