Bottle Stopper is made of silicone and these Stoppers works on beer, wine, champagne and carbonated mineral water. Prevents spills and helps preserve the wine's freshness, flavor and aroma. Strong Seal to help keeping beer and drink fresh so easy.This attention-grabbing, colored, round wine stopper features an appealing, round top. Your message will be seen again and again when it tops wine bottles on this elegant stopper. It's perfect for any event.Welcome to inquiry.