Premium Silicone Rubber Thermos Gasket for Water Bottles
Custom-molded from 100% food-grade silicone for superior heat resistance (-40°F to 446°F) and non-toxic safety. Precision-engineered with a 0.5mm tolerance seal to prevent leaks under pressure.
Durable 50A shore hardness ensures long-term flexibility without deformation. Laser-cut edges and molded-in grooves enhance airtight performance for tumblers, flasks, and insulated bottles.
OEM-friendly design compatible with major brands (Hydro Flask, Yeti, etc.). Ideal for outdoor gear, kitchenware, and hospitality bulk replacements.
Wholesale-ready with MOQ flexibility. Global shipping, factory-direct pricing.






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Factory customized silicone rubber thermos gasket for water bottle
$2$2.53-20.95%
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