Platypus Big Zip SL Hydration System 3.0L

Platypus Reviews

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Platypus Big Zip SL Hydration System 3.0L

The Big Zipâ„¢ SL reservoir is the most finely-tuned hydration reservoir made. Nothing makes staying hydrated easier and, at the end of the day, that means a better day.

  • Proprietary dual-layer film features a rugged exterior and a BPA- and taste-free lining.
  • Wide, BigZipâ„¢ opening swallows drink mixes and ice cubes easily and makes filling, cleaning and drying a snap.
  • Secure SlideLockâ„¢ closure with carry handle ensures an easy, leak-free seal
  • All-natural SlimeGuardâ„¢ antimicrobial treatment helps keep it clean and taste-free.
  • Quick-Disconnect drink tube lets you leave hoses routed in packs for easy filling.
  • Ergonomic 90-degree shutoff valve for easy drinking.
  • HyperFlowâ„¢ bite valve features two-piece construction for easy cleaning.


  • Capacity - 100 fl. oz / 3 liters
  • Weight - 5.8 oz / 165 g
  • Width - 7.75 in / 19.5 cm
  • Length - 18.75 in / 47.5 cm
  • Material(s)
    • Film - Polyurethane / Polyethylene
    • Zip Material - Ethylene Vinyl Acetate / Linear Low Density Polyethylene
    • Hose port material - Acetal / Polyethylene
    • Drink tube - Polyurethane
    • Bite Valve - Silicone
    • SOV Material - Polypropylene / High Density Polyethylene
  • Country of Origin - USA
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