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Silicone O-ring is a sealing element made of silicone, which can be used for leakage prevention and sealing of various daily necessities, such as fresh-keeping boxes, rice cookers, water dispensers, lunch boxes, insulation boxes, insulation boxes, water cups, ovens, magnetized cups, coffee pots, etc. It has good sealing performance, preservation effect, high temperature resistance, good chemical corrosion resistance, compression resistance, and complies with FDA and SGS standards.