【Safe and Convenient Magnetic Slider】Magnetic slider smooth open and close, drinking holes directly sipping or using straw friendly. Will not touch the nose when drinking. Slider can be removed, easy to wash.Enjoy your favorite hot or cold drink!

【Splash and Heat Insulation】This tumbler lid is specially design for and most other tumblers or cups.Black silicone o-ring tightly the cup to prevent leakage. Thick lid makes the beverage more insulated, cooler or warmer for the most of the day.Can save your time and money!

【High-quality materials】Made of crystal clear plastic which is BPA free，safe and non-toxic,It impacted and shatter resistant.Even repeated use for years,it still stay crystal clear.

Stronger Magnetic Force-Each spill proof tumbler cover comes with magnetic sliders replacement for. Don't worry about losing the slider and do not worry about spilling fluids when you are driving or traveling.