Keep your drink fresh, with hot drinks staying hotter for longer and cold drinks staying colder for longer with the Charles Viancin drink covers. Inspired by nature, these BPA free reusable silicone drink covers are ideal for keeping your drink to the ideal temperature. Whether insulating your cold drink or trapping the steam in your hot drink, the silicone drink covers are the ideal tool. Along with maintaining the temperature of your drink, these drink covers are ideal for those with a sweeter drink, wanting to stop wasps or small flies from falling in! Fitting comfortably onto 3.5inch glasses, the drink covers when placed onto a glass will create a tight seal. Suitable to be used on all stainless steel, glass, plastic or ceramic glasses. Dishwasher safe, these silicone drink covers are versatile and can be used in the microwave, fridge, oven and on the stove. Heat safe up to 220 degrees. Great for reheating small portions of food in the microwave too or keeping left over snacks or s