Features: Professional cleaning factor can easily remove the fingerprint grease on the lens and stubborn stains on the lens gaps. Better match with ultrasonic cleaning machine: add 2~3 drops of cleaning solution into the ultrasonic cleaning machine. The mild deep cleaning formula is safe and non-toxic. It only removes dirt, does not hurt hand, and does not damage objects. 50ml can be used for a long-time. It is a great care accessory for glasses. It can effectively clean dust and fingerprint, practical and professional. Ultrasonic solution can also be used as eyeglass cleaner, silver jewelry cleaner, coin cleaner, silver cleaner, watch cleaner and eyeglass lens cleaner . Specifications: Materials: Cleaning Factor Content: 50ml Shelf Life: 2 Years Note: Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Package includes: 1x Cleaner