Long Burn Back Flow Incense cones tub of 70 6x Long Backflow Incense Cones - Assorted Fragrances - 30 mins Burning time Warning: Keep away from children. Back -flow incense can damage varnished surfaces, always use on a mat. Use indoor & with no drafts for best effect. Pink - Rose Red - Lily Yellow - Jasmine Purple - Lavender Green - Green Tea Brown - Sandalwood Tan - Patchouli Backflow Incense Cones - Assorted Fragrances Long 30 Mins Burning Time 70 Cones