Mesa with Simple Flip Filter Straw Lid

Included: One carbon filter, a filter casing that attaches to the filter and one non-filtered straw Filter Duration: One carbon filter lasts 40 gallons - approximately 2 months Double Wall Insulation: Keeps beverages at ideal temperature for hours Leakproof Lid : The Simple Flip Straw Lid offers a tight seal to prevent leaks. It is compatible with the filtered PP straw and the non-filtered PE straw used in other Simple Modern products. Not recommended for hot or carbonated beverages. Cupholder Friendly Size Available: The 24oz Mesa fits in most cupholders. The 34oz Mesa does not fit in most cupholders. Pat/Pat Pend