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 the expert in wine accessories your side Elegant wine tasting, enjoy a good time Our products include electric corkscrew, manual corkscrew, electric corkscrew. pump air, beer bottle opener, foil cutter, beer aerator wine pouring, corks & wine; wine and wine corks; sous vide wine to provide you with a full service one stop shop. Product Feature 1. With date stamp function. 2. In the vacuum state, the flavor of red wine can be kept unchanged for 7 days. 3. 100% sealed, no leaking when placed on the side. Product Specifications Materials of the product: ABS,Silicone Colour: Black Product dimensions: 47 x 70 mm Dimensions of the box painting: 95 x 48 x 74 mm Product weight: 120 ± 5g.