By comparison, the P4CK Flexicarry makes typical drink carry trays look like such design failures. Most people have had some experience in losing liquid over the rims, and you think you could get more for the amount of card and foam used to give the holders stiff shapes.
This clever solution to hydrating baseball fans and outdoor festival attendees actually uses a great deal less material in its manufacturing. It's recyclable low-slip LDPE in a single sheet that requires to adhesives, nor any complicated origami-style folding to function.
You just place four full pint-sized paper cups into the circular openings and feed your fingers through the pair of flanking handles. With your beverages dangling down in the P4CK Flexicarry, it's much more stable than them teetering away on top of a flimsy tray.