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About the Product Key Features No-Leak™ Silicone Bite Valve
Bite valve auto-seals after each sip, eliminating drips even when upside down.
Easy-fill & clean
Large 43mm opening makes flask easy to clean, and easy to fill even with drink mixes.
Compressible design
Softflask compresses as you drink to reduce water movement and to save space when empty.
Dishwasher safe
Safe to put in dishwasher.
Other Features Warm-drink safe Safe for warm drinks up to 60°C / 140°F.
Expert Opinion
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