What it is: A fragrance diffuser insert of the irresistibly fresh and fruity Baies (Berries) scent-compatible with Diptyque home, wall and car diffuser systems.What it does: This diffuser cartridge has the fragrance of rose bouquets mingling with green and aromatic accents of blackcurrant foliage, conveying the freshness of a garden at dawn. These cartridges contain pearls highly concentrated in perfume, faithfully reproducing each note of the fragrance. How to use: These cartridges can be kept for up to 3 months after opening, provided the container is properly closed after use. They have a lifespan of 40 hours continuously or up to 80 diffusion cycles (1 cycle corresponding to 1 hour). Cartridge only. Electric diffuser and car diffuser not included.