The b.box insulated food jar replacement O-ring is a food-grade silicone seal for the jar lid. It helps restore a snug, leak-resistant fit when the original ring is missing or worn.
b.box insulated food jar O-ring features
Replacement lid seal
The O-ring refreshes the seal on a b.box insulated food jar lid.
Food-grade silicone
The ring is made from 100% food-grade silicone for everyday use.
