Glade Wax Melts - Limited Edition Winter Collection For The Holidays (3, Merry Citrus Melody) REFILLS: these wax squares melt away completely, leaving no mess behind, ready for you to add a new fragrance refill; LONG-LASTING: each individual wax melt provides up to 12 hours of high quality fragrance; 6-pack delivers up to 96 hours per pack. WELL-PACKED: made from pressed (not poured) wax, which is dry to the touch and prevents greasy or oily hands, each melt is individually packed which makes it easier and less messy to start your fragrance experience; EASY-TO-USE: each melt lingers after the wax warmer has been turned off; comes with detailed instructions to how to use.