Efficient Seal: Crafted from ABS and silicone, this wine stopper is only suitable for wine bottles with an inner diameter of 18-19 millimeters. This champagne stopper is only suitable for the mouth shape of traditional sparkling wine bottles with an inner diameter of 17.5-18 millimeters, maintaining freshness and flavor integrity. Versatile Compatibility: Designed for red, white, champagne, cava, prosecco, and sparkling wine bottles, as well as various kitchen condiment containers, offering a universal solution for preserving liquids. Secure Preservation: Featuring 4 steel balls and soft silicone construction, this champagne and wine vacuum cork creates an airtight seal to prevent oxidation and leakage, extending the lifespan of your beverages. User-Friendly Design: Simple twist-lock mechanism allows effortless operation for sealing and releasing. Compact and portable, these prosecco bottle stoppers are dishwasher-safe, fridge-friendly, and space-saving for convenient storage. Premium Quality Build: Constructed from durable hard plastic and food-grade silicone materials, these Wine and champagne vacuum sealers are not only elegant but also reusable for long-lasting preservation solutions. Item Name: Bottle Stopper Material: ABS, Silicone Features: Universal, Air-tight, Leakproof Size Details: 3.9cm x 3.9cm x 3.2cm/1.54" x 1.54" x 1.26" (Approx.) Notes: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Note: This wine stopper is only suitable for wine bottles with an inner diameter of 18-19 millimeters. This champagne stopper is only suitable for the mouth shape of traditional sparkling wine bottles with an inner diameter of 17.5-18 millimeters.) Package Includes: 1 x Wine Bottle Stopper 1 x Champagne Stopper