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Sea to Summit Watercell X

Size: 4L

The Sea to Summit Watercell X is a versatile and durable water carrier. Constructed with 3D baffled, RF-welded tough TPU, the Watercell X is compact, stackable and easy to use. The 63mm wide mouth cap and integrated handle make filling it simple, while the multi-function cap allows you to control the flow for pouring and can also be interchanged with a shower head attachment (included). Welded lash points and an adjustable strap combine to endear the Watercell X to multiple uses.

Can the Watercell X…?

  • Be cleaned with bleach? We would recommend against using bleach (because of the aftertaste) – taste-free peroxide cleaning tablets are available.
  • Be used for drinks other than water? Only if it is cleaned correctly afterwards – see the point on peroxide cleaning tablets above. 


  • Made from flexible, abrasion-resistant laminated 400D Nylon
  • BPA, PVC free
  • RF-welded 3D shape with internal baffle for ease of use
  • Adjustable strap
  • Shower fit attachment included
  • Opening compatible with industry-standard water filtration systems
  • Can be stacked and strapped together when filled


  • Weight: 4L 172g | 6L 196g | 10L 245g | 20L 336g
  • Dimensions: 4L 28 x 21 x 10cm | 6L 35 x 23 x 10cm | 10L 42 x 28 x 12cm | 20L 51 x 37 x 16cm