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O-Ring for Straw Lid - 2pk

Regular price $4.99 Sale

Fits the ThermoFlask® Straw Lid Only.

Two BPA free O-Rings are included in the pack.

If you have the Chug or Spout Lid, (two different sized O-rings and no straw) please see replacements here: https://mythermoflask.com/collections/frontpage/products/o-ring-for-thermoflask-chug-lid-no-tabs

O-Ring installation instruction


Note: This item ships via USPS First Class Mail. There is no package tracking.