Why should adults have all the fun? With the SIGG Little Kids Bottle Collection, you can keep the kids hydrated and happy. There's a convenient size for every hydration need. Ideal for packing into your child's lunch box, this 0.3-liter SIGG Aluminum Water Bottle with kids bottle cap has a highly resistant lining, making it almost unbreakable! SIGG's EcoCare liner is made from BPA-free and phthalate-free ingredients.