These wax melts are made or organic soy wax and distilled fragrance. Each segment will emit fragrance for 3-4 hours when used in a glass or ceramic burner and a small/basic tealight. Overall 10 parts will give you in excess of 30 hours fragrance time.
Use only in a glass or ceramic burner. Do not leave unattended around children and animals. Do not leave in a draught. Do not leave burning on leaving the premises