LEAK PROOF: The twist and lock bottle caps are designed to prevent any leaks, making them ideal for travel. | MULTI-PURPOSE WATER BOTTLE: Their square structure makes them the perfect water bottles for school, homes, offices and gyms alike. | 100% FOOD GRADE AND BPA FREE: These bottles are manufactured with high quality food grade plastic, ensuring safe drinking for you and your family. | BREAK PROOF & FREEZER SAFE: Unlike glass bottles, these durable fridge bottles are shatter-proof, safe for the freezer and can thus last longer in your homes. | EASY TO USE & MAINTAIN: Kuber Industries fridge water bottles are easy to use and clean, making it a hygienic option to store and drink water from.