A precious companion for the home fragrance diffuser-a decorative glass stopper that displays the Diptyque insignia and fits the unique 2litre vessel. Pause diffusion at any time and preserve perfumed notes using a unique objet d'art inspired by the vessels of antiquity. The stopper is sold on its own. Diameter: 6.2cm Use with the 2L home fragrance diffusers. Use a nonabrasive cloth to wipe away any dust from the stopper. You can change to a different fragrance from one use to the next. Simply wash the glass stopper with clean water, soap, and a nonabrasive sponge before pouring in a new fragrance