1. Introduction of PP Plastic Layer Pad PP Layer Pad is made from 100% virgin high quality polypropylene sheet with 4 sides being sealed by PP rubber rod which prevents contamination from settling within the cells along the edges and also makes cleaning simple and effective which avoid contamination risks. Empty bottles and cans arrive at filling plants in unitized loads, on pallets, arranged in tiers, divided by layer pads. As a component they are replacing their paper counterparts, thanks to some benefits that also score sustainability points. For many leading companies, plastic reusable packaging has effectively protected product and reduced costs throughout the supply chain, which is critical to todays food and beverage companies.