The Wide Mouth Flip-Top Lid caps are designed to fit FIFTY/FIFTY® wide-mouth bottles only. Here is a list of sizes and styles the Straw Cap lids will fit:
- 18oz Wide-Mouth Vacuum-Insulated Bottle
- 34oz Wide-Mouth Vacuum-Insulated Bottle
- 40oz Wide-Mouth Vacuum-Insulated Bottle
- 3.5"L x 1.52"W x 5.8"H