Kerplunk Klear bottles are made of tempered glass which is four to five times stronger than standard glass.With no toxic liners Klear bottles are a healthy way to keep yourself hydrated throughout a busy work day.Keep hydrated with a Kerplunk premium glass bottle. With fresh new fashion-forward designs launching each season you can change up your bottle like you change up your wardrobe. Its not just a bottle its a fashion statement.Other products from HerbsPro