Lifefactory creates innovative, non-toxic products that make it easy to lead a healthy and eco-conscious lifestyle. They fuse modern sensibility and composition, also exceptional utility to produce a glass beverage bottle that is free of known harmful chemicals such as BPA, phthalate, PVC, and polycarbonate. All materials are FDA approved. The unique patent pending silicone sleeve is free of plastics, 100-Percent non-toxic, provides a great gripping surface and helps prevent breakage. No risk of chemicals leaching into your drink and no metallic taste. The wide mouth bottle design makes it easy to add ice, citrus slices, tea bags, etc. Beverage bottles are easy clean and dishwasher safe (the glass bottle and silicone sleeve can also be washed together in the dishwasher). Each bottle holds 16 -ounce (450ml).