Heat-Resistant, Silicone Sealing Rings for your lunch box. Comes in a set of 5.
Durable, environmentally friendly, non-toxic, and odorless, with great elasticity, these O-rings will help keep your favorite food box leak-free.
Easy to clean, dishwasher safe, and heat-resistant.
O-Rings Only (set of 5).
BLUE, GREEN, PINK, PURPLE