Kuber Industries Set of 4 Plastic Water Bottle | 1 Litre Round Plastic Water Bottle | Refrigerator Safe and BPA free Water Bottle | Perfect For School College Work Gym | Pack of 6 | Blue WIDE MOUTH, EASY-TO-CLEAN, CRYSTAL CLEAR: The wide-mouth makes these water bottles easy to clean, thus making them a hygienic option to store water. The round bottle design fits your hands perfectly. REFRIGERATOR & FREEZER SAFE: Their circular design makes these fridge bottles easy to store, carry and drink from. MULTI-PURPOSE WATER BOTTLE: Their leak proof design makes them the perfect water bottles for school, homes, offices and gyms alike. These unbreakable bottles are the perfect travel companions. FOOD GRADE AND BPA-FREE: These high quality water bottles are made with polyethylene terephthalate (PET) & polypropylene plastic. BREAK PROOF: Unlike glass bottles, these plastic bottles are durable and can last longer in your homes.