Material: rubber. -Can effectively reduce the water leaking.
Hohopeti Silicone Gasket Seal Rings Leakproof and Airtight Replacement Seal 4pcs Easy to Clean Silicone Rings for Lunch Box and Food Container for Meal Prep and Transport to Work
SUPVOX 3pcs Silicone Replacement Gaskets for Japanese Bento Lunch Box Seal Rings, 13cm Outer Diameter Insulated Food Container Lid Silicone Sealing Rings for Students
Mobestech 4pcs Silicone Sealing Rings for Lunch Box and Bento Box, Precise Fit Airtight Food Storage Gasket, Easy to Clean Replacement Seal Rings for Meal Prep and School
COLLBATH 4pcs Silicone Gasket Seal Rings for Lunch Box and Food Container, Tear-Resistant Airtight Silicone Rings with Thermal Retention, for Meal Prep and School Use
SHINEOFI Silicone Replacement Seal Rings for Food Storage Containers, Reusable and Spill-preventing Silicone Gaskets, Sturdy High-Temperature Resistant Lunch Box Sealing Rings for Kitchen
HOOWIFFY 4pcs Silicone Seal Ring Elastic Reusable Lunch Box Seal Rings Bento Lid Silicone for Box
