The wick needs to be trimmed before each burn.
Small: 2.5 oz. glass jar with suction lid (reusable)
Medium: 4 oz. glass jar with aluminum lid (reusable)
Large: 7 oz. aluminum tin with lid (reusable); purple tin: white colored wax
Large: 7 oz. aluminum tin with lid (reusable); white tin: lavender-colored wax