Material: rubber. -Can effectively reduce the water leaking.
TOYANDONA 3pcs Silicone Seal Rings for Bento Lunch Boxes Replacement Gaskets Lid Seal Microwave-Safe Tear-Resistant Food Container Rings for Students and Professionals
AntiOdor Floor Drain Plug Washer Hose Seal Plug Replacement Floor Sealing Rings Bathroom Accessories Sewer Pipe Seal Rings Sealing Covers
SUPVOX 3pcs Silicone Replacement Gaskets for Japanese Bento Lunch Box Seal Rings, 13cm Outer Diameter Insulated Food Container Lid Silicone Sealing Rings for Students
GARVALON Silicone Seal Rings for Insulated Lunch Box, 3pcs 12cm Inner Diameter, Food-Safe Reusable Gaskets with Anti-Leak Function, Replacement Sealing Rings for Bento Containers, Suitable
ABOOFAN 3pcs Silicone Lunch Box Lid Rings Replacement Gaskets 12cm Round Seal Rings for Bento Lunch Box High-Temperature Resistant Leakproof Technology for Daily and Outdoor Picnics
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
