These spray bottles are made of high-quality crystal glass. No release of harmful substances. The spiral seal provides good sealing performance, you don't have to worry about your perfume leak. The transparent glass bottle body material allows you to see the amount of use so that you can replenish it in time. it can be used repeatedly and is easy to carry. The mist sprayer functions great for perfumes, essential oils, hair spray bottles, air fresheners, room sprays, body sprays, DIY beauty products, aromatherapy, pillow mist, and any other mixtures. 50ml capacity and compact size and lightweight, very suitable for travel use and home use.