The easy-to-use Dior Sauvage Eau de Parfum refill allows you to reuse your empty bottle. The refill's auto-stop system automatically stops filling when the bottle is full.The Sauvage Eau de Parfum refill has a simplified design made of recycled aluminum. Using the refill reduces the fragrance’s environmental footprint: 60%* less energy consumption, 53%* less water, 60%* less greenhouse gas production and 62%* less waste.The refill is not for use alone. Compatible only with the 1 oz and 3.4 oz bottles of Sauvage Eau de Parfum.* Comparison between a 3.4 oz bottle of Sauvage Eau de Parfum + a 10 oz Sauvage refill and four 3.4 oz bottles of Sauvage Eau de Parfum. Life cycle analysis based on the ISO14040 and ISO14044 standards.