The geometrical, yshape of a clever bottle for los angelesbased y water inc. Is another package in which shape tells the brand&rsquos story. Y water is designed to appeal to elementary school children through packaging. Natural rubber connectors, called &ldquoy knots,&rdquo enable kids to connect empty packages as moleculelike formations and prolong the life of the bottles by transforming them into toys or building blocks.when looking for a lowcalorie, organic drink kids, obesity is a major problem among kids, y knot is a low calorie organic drink solution. Fuseproject, an industrial design and branding firm has designed the playfully shaped, 9oz bottle reflects the brand&rsquos core message of fun and portion control by drinking a healthful beverage available in four kidcentric flavors bone water, brain water, immune water, and muscle water.y water selected eastar® copolyester from eastman chemical co. To create the bottle. The material&rsquos blowmolding characteristics make the upsidedown, threedimensional y shape possible and provide enough wall thickness to withstand y water&rsquos 185° f hotfill process. Yet, it also offers sufficient durability to withstand rough handling and reuse by children. These marketing pluses add up to a package with strong shelf presence, reusability, and functionality&mdash three benefits that resonate with consumers today