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Established 2006. Kent's Only Authorised 5.11 Tactical Retailer

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Stay hydrated all day

The Platypus Big Zip LP holds a full 3.0 litres, giving you the range to get through a long skirmish, a big day on the hill or a long ride without stopping to refill. Staying properly hydrated keeps your focus and stamina up when the game or the trail drags on.

Low profile, easy carry

The reservoir’s low-profile shape is designed to ride flat against the back panel of your pack, spreading the load and keeping the weight close to your body. That means a more stable, comfortable carry and more room for the rest of your kit.

Fill it and clean it in seconds

A wide-mouth opening with a secure SlideLock closure makes filling under a tap quick and lets you reach right inside to clean and dry the bladder properly. The quick-disconnect hose has an auto shut-off valve, so you can lift the reservoir out to refill without unthreading the tube or spilling a drop.

Fresh and taste-free

Built from taste-free materials that are free of BPA, BPS and phthalates, the Big Zip LP keeps your water tasting like water. An embedded silver-ion treatment adds antimicrobial protection to help keep the inside fresh between outings.

General
BrandPlatypus
Dimensions
WeightApprox. 170g
Other
Capacity3.0 litres (approx. 100 fl oz)
HoseQuick-disconnect with auto shut-off valve
ModelBig Zip LP Hydration System
Reservoir shapeLow-profile, flat-riding
OpeningWide-mouth with SlideLock closure
AntimicrobialEmbedded silver-ion protection
Material safetyTaste-free, BPA / BPS / phthalate-free
CleaningWide opening for easy filling and drying

Frequently asked questions

How much water does the Big Zip LP hold?

This version holds 3.0 litres (around 100 fl oz), enough to keep you going through a long game day, a full hike or a long ride without refilling.

Is it easy to fill and clean?

Yes. The wide-mouth opening with a slide-lock closure lets you fill it quickly under a tap and get your hand inside to clean and dry the reservoir, which is where many narrower bladders struggle.

What does the quick-disconnect hose do?

The hose detaches from the reservoir with an auto shut-off valve, so you can pull the bladder out of your pack to refill it without water spilling and without unthreading the tube from your gear.

Will the water taste of plastic?

No. The Big Zip LP uses taste-free materials that are BPA, BPS and phthalate-free, and a silver-ion antimicrobial treatment helps keep the reservoir fresh between uses.

Does it fit inside a hydration or plate carrier pack?

The low-profile design is made to sit flat against a pack's back panel, so it fits most hydration packs and hydration-compatible plate carriers and rigs used in airsoft and the outdoors.