The Cello bottles are designed for versatility and high durability. The set is made to be the safest choice for you and your family as it is extremely hygienic and 100% food grade. These bottles are reusable, sturdy, portable and useful when it comes to storing beverages. Even after repeated use, these bottles will not emit any unpleasant odours and leave behind stubborn water stains. The cap closes tightly and firmly making the set of bottles completely leak-proof and airtight. With this design, the water stored in these bottles will remain clean and potable for a longer period of time if placed in a cool place. The high quality plastic makes the set unbreakable and safe for use. The clear body of the bottles also make it easy to identify the liquid inside the bottle.