Made of silicone, durable,health and safety, temperature resistance: -80-230. Inner thread design, leak-proof, with a good sealing effect, can keep your wine fresh and preserve the taste and flavor for several weeks. Creative and funny magic hat shape, good decorative effect, make your drink looks more upscale. Easy to clean, hand wash or dishwasher safe. Fit for most standard wine bottles, champagne, beer, liquor, beverage, soda, cooking oil, flavoring bottles and more; great for home kitchen and bar, wedding, anniversary, birthday, graduation, themed party, baby shower, Valentine’s Day, Christmas, Thanksgiving, New Year, Easter, holiday, housewarming, family get-together, camping, picnic, BBQ and other occasions.