Soft silicone spout and increased flow rate for easy drinking. Insulated to enhance temperature retention. Quiet ''no whistle'' valve. BPA and Phthalates-free. Hydro Flask lifetime warranty. Compatible with Standard Mouth Hydro Flask products only.
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With an ergonomic design and superior flow-rate the Hydro Flask Standard Mouth Insulated Sport Cap is perfect for giving your Standard Mouth Hydro Flask product convenient 1-handed operation on the go.
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