kite packaging develops &lsquostretchy&rsquo cardboard at a secret research laboratory.customers will no longer need to have specific sized boxes for their goods &ndash apparently one size box will fit any size of product. the company&rsquos &lsquoeureka&rsquo moment during the development of this revolutionary new product, came from a newly discovered, rare earth mineral, which forms a dark sticky liquid.this liquid can then be heated underpressure, producing long, elasticated fibres, which are then spun and woven into sheets before being corrugate.