IP44 WATERPROOF: The Bottle Cork Light is designed to be IP44 waterproof and rainproof, suitable for outdoor use, and no matter how bad the weather is outside, it will not affect its normal operation. ENERGY SAVING: The bottle cork light uses solar energy charging design, saves energy and produces no pollutants, is the environmental protection product, is very suitable for you. ABS MATERIAL: The bottle cork light string is made of high-quality ABS material, durable, safe, non-toxic and environmentally friendly, with a long service life, no electricity leakage and other problems. GOOD DECORATION: The LED cork light can be used indoors or outdoors, depending on your needs, and can be used to decorate your garden, courtyard, balcony, window, railing, terrace, etc. FIELD APPLICATION: The Solar Bottle Cork Light can shine in a variety of bottles, reasonable size, quality, suitable for wine bottles, glass bottles, soda bottles, beer bottles, wine bottles and many other types of bottles