Describe Shelf life:3 years Product functions and features include: 1.Increase comfort: Lubricant can effectively reduce friction, increase comfort during sex, and avoid discomfort and pain. 2.Improve lubricity: It has good lubricity, which can make sexual intercourse smoother and increase pleasure. 3.Multiple choices: There are many types of lubricants, such as water-based, silicone-based and oil-based, suitable for different personal preferences and skin types, and to meet different needs. 4.Safe and reliable: High-quality lubricants are non-irritating to the skin, will not cause allergic reactions, and are safe and reliable. 5.Increase stimulation: Some lubricants also contain stimulating ingredients, which can increase sexual stimulation and make sex more interesting. Usage may be: Squeeze an appropriate amount: Squeeze an appropriate amount of lubricant onto your fingers or lubricant device as needed.Spread evenly: Apply lubricant evenly to your genitals or lubricant device.Test before use: When using a new lubricant for the first time, it is recommended to test it on a small area of ​​skin to ensure there is no allergic reaction.Add at any time: During sexual intercourse, you can add an appropriate amount of lubricant at any time to maintain a smooth feel.Cleaning and hygiene: Clean lubricant residues promptly after use and maintain hygiene.