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Is SIGG a good brand to use for a sippy cup?

The SIGG water bottles are a good alternative to plastic. The only concern with the product was that it is lined with Bisphenol A (a hormone disruptor.) When the manufacturer was contacted about the use of Bisphenol A, the response was as follows:


  • SIGG's liner protects from any migration or leaching of the liner and container into the liquid. All tests of the liquid reveal no trace (0%) of any of the following chemicals: Perfluorooctanoic Acid (PFOA), Bisphenol A (BPA), and Bisphenol B (BPB).
  • "While the polycarbonate bottles we tested leached a significant amount of BPA, the SIGG bottles - both new and used - showed no detectable BPA." - Jonathan Chun, PhD, Alliance Tech, USA

To date, there is no research that is contrary to their claim.

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Is SIGG a good brand to use for a sippy cup?
posted by Eco Baby Products on Thursday, November 15, 2007
© 2007 EcoBabyProducts.com

What Plastics Should I Avoid?

When shopping, be sure to check the recycling sign on the plastic to determine what type of plastic it's made from.

Less Toxic Plastics - These plastics may leak chemicals, but no studies suggest they are a detriment to your health.


  • #1 PETE (polyethylene terephthalate): most important raw material in synthetic fibers.
  • #2 HDPE (high density polyethylene): opaque in color, Tupperware, milk jugs, laundry detergent.
  • #4 LDPE (low density polyethylene): plastic bags, tubing, wash bottles, dispensing bottles.
  • #5 PP (polypropylene): food packaging, ropes, textiles, speakers, automotive parts, stationary.

Toxic Plastics - These plastics leach toxic chemicals and have been linked to cancer, disrupting hormones, and other health issues. The amount of leaking it takes to cause these health issues is controversial.


  • #3 PVC or V (polyvinyl chloride): The worst, most toxic; soft baby toys, teethers, bath toys, building material.
  • #6 PS (polystyrene): Solid foam, clear takeout containers.
  • #7 (polycarbonate): Most baby bottles, lining of metal cans, Nalgene bottles. Contains Bisphenol A which is a hormone disruptor.

To read more on plastics, check out our article on Plastic Toxicity.

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What Plastics Should I Avoid?
posted by Eco Baby Products on Thursday, October 25, 2007
© 2007 EcoBabyProducts.com

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