Prurex spout lid is perfectly compatible with Iron Flask water bottle14oz 18oz 22oz 32oz 40oz 64oz. Crafted from BPA-Free material, these lids ensure safe hydration at all times, making them reliable wide-mouth bottle accessories suitable for both daily use and outdoor adventures. Whether you're grabbing a drink at home, commuting to work, or exploring the great outdoors, these lids offer a seamless and secure fit for your Iron Flask.With a patented smooth spout, these lids enable steady high-volume sipping, letting you quench thirst fast during hikes or camping. Rugged and shatterproof, they resist accidental drops, bumps and outdoor impacts, outperforming flimsy lids for long-lasting use.The ergonomic soft silicone handle solves discomfort from rigid fixed handles. It fits finger curves, relieving soreness during long hikes with a full bottle, balancing portability and hand comfort.Enhanced leak-proof seal prevents spills in bags or outdoors. We stand by our Prurex replacement lid's quality and offer responsive after-sales service to address any issues with your water bottle lid.