Compatible/Replacement Brands:This tumbler lid is specially design Rambler, Old Style RTIC(Not fit New Style RTIC) , Ozark Trail and most other tumblers or cups.It prevents spills but not meant can be stored in bag,it's great to seal from splashes if you have it in your car. Magnetic Slider: Use the principle of magnetism to control the switch, the sliding piece can be removed for easy cleaning.You can be sure to use the dishwasher to clean but avoid using in microwave. Easy To Use: The slide switch can be operated with one hand and can be splash-proof, which is suitable for vehicles or other use scenaries. High-quality Material: Made of AS crystal clear plastic which is BPA free,It impacted and shatter resistant.Even repeated use for years,it still stay crystal clear. Size: 20/30oz Package Included: 1 Pc Of Tumbler Lid