304 Stainless Steel The flask uses 304 stainless steel for good corrosion resistance and durability during repeated use. FDA, LFGB and other required food-contact testing can be arranged according to the destination market.
Sealing and Weld Control Cap fit and body seam integrity are critical to hip flask performance. Consistent thread engagement and controlled welding help reduce leakage risk and maintain reliable sealing across repeat production.
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