Keep Wine Fresh: By drawing air out of the bottle, the vacuum condition can minimize wine oxidation. This helps to preserve the taste of the wine and keep the wine fresh for up to 7 days Date Display: There is a date scale on the top. Manually rotate the date scale to record the last open time and remind you to drink at the best time Safe and high qualityThe wine stopper is made of food-grade silica gel. interior and durable ABS material on the exterior, to ensure the product is safe and non-toxic to the human body, making it safe to use Reusable and easy to clean: fits the most wine bottles, rinse with water and let dry, then reuse Easy to use: place the bottle firmly and upright, press the top several times until it springs back at 1 cm. Turn to save the storage date. Twist and lift slightly to open it again Product Description Product Feature 1. With date stamp function. 2. In the vacuum state, the flavor of red wine can be maintained unchanged for 7 days. 3. 100% sealed, no leakage when placed on its side. Product Specifications Product Materials: ABS,Silicone Color: Black Product dimensions: 47 x 70 mm Paint box dimensions: 95 x 48 x 74 mm Product weight: 120 5 g . Materials Food grade ABS+silicone, exquisite and durable health and safety. Vacuum preservation By evacuating the bottle air, the vacuum condition can minimize wine oxidation. 100% sealed, keeps wine fresh for up to 7 days. Date Marker Design Date Design: Record the time the bottle was last opened, reminding you to drink when red wine flavor is best.