The Big Zip SL reservoir is the most deluxe, off-the-shelf hydration reservoir system made. Every beautiful, taste-free feature is designed to make staying hydrated easy—starting with our new SlideLock™ closure. It ensures an easy, leak-free closure every time, opens wide for easy cleaning and makes a convenient carry handle. Next up is the film. It’s BPA- free, supple, super-durable and treated with our all-natural SlimeGuard™ antimicrobial treatment to keep it taste-free. You also get an ergonomic, right-angle shut off valve for leak-free packing and a quick-disconnect hose for easy filling, cleaning and swapping of packs.
| 1.8 Liter | 2 Liter | 3 Liter | |
| Capacity | 60 fl. oz / 1.8 liters | 70 fl. oz / 2 liters | 100 fl. oz / 3 liters |
| Weight | 5.5 oz / 154 g | 5.5 oz / 157 g | 5.8 oz / 165 g |
| Width | 7.25 in / 18.5 cm | 7 in / 18 cm | 7.75 in / 19.5 cm |
| Length | 14.75 in / 37.5 cm | 18.5 in / 47 cm | 18.75 in / 47.5 cm |
| Material(s): | |||
| Film | Polyurethane / Polyethylene | Polyurethane / Polyethylene | Polyurethane / Polyethylene |
| Zip material | Ethylene Vinyl Acetate / Linear Low Density Polyethylene | Ethylene Vinyl Acetate / Linear Low Density Polyethylene | Ethylene Vinyl Acetate / Linear Low Density Polyethylene |
| Hose port material | Acetal / Polyethylene | Acetal / Polyethylene | Acetal / Polyethylene |
| Drink tube material | Polyurethane | Polyurethane | Polyurethane |
| Bite valve material | Silicone | Silicone | Silicone |
| SOV material | Polypropylene / High Density Polyethylene | Polypropylene / High Density Polyethylene | Polypropylene / High Density Polyethylene |
| Country of Origin | Made in Seattle, USA | Made in Seattle, USA | Made in Seattle, USA |
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