Fit for regular use: with each bottle weighing 106 gms, made of thick material tested thoroughly for the purpose Safe storage: as the material used is PET, Grade 1 high-quality food grade plastic which is 100% BPA free Colourful appearance: A set of transparent coloured bottles of 1L each Firmer grip and attractive design: with a pattern of squared checks on the body Ease of use: ensured by smoothly opening lid and neck diameter of 3.2 cm which allows only appropriate quantity of water to come out Spill-proof water storage: with snugly fitting lid Ideal for storing cold water or water at room temperature. Not meant for storing hot water