PlanetBox Rocket Bottle Replacement Spout Seal

This is an extra Silicone Spout Seal for the PlanetBox Rocket bottle. This food-grade silicone seal sits in the cap to seal the spout so it doesn't leak. One spout seal.

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you are making a difference:

  • PlanetBox supports DrinkUp, an organisation whose efforts encourage people to drink more water more often.
  • Polypropylene & stainless steel parts are 100% recyclable, creating less waste at the end of its useful life.
  • Choosing a quality reusable item designed to last saves you money & packaging waste going to landfill.


  • Designed so that no plastic comes into contact with your drink.
  • Independently certified to be free from lead, phthalates, BPA, and other harmful chemicals.
  • Food-grade silicone spout provides an easy natural sipping motion.
  • Spout seal ensures lid does not leak.
  • Parts disassemble for easy & thorough cleaning - no straws to keep clean or replace.
  • Not suitable for children under 3 years - small parts hazard.
  • This part replaces the spout seal in the top of the lid of the Bottle Rocket or Bottle Booster - the part you drink from. 


Washing with soap & water is recommended, allowing it to air dry completely.  Parts are dishwasher safe when lid is removed from stainless steel bottle.  Do not use chlorine based dishwasher soaps or bleach in cleaning.


Food-grade silicone rubber.

Browse all our PlanetBox Bottle Rocket range.

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