If 1 section is punctured the others remain inflated and provide protection to the enclosed product. Each air section is designed to withstand up to 500 lb of compression. Available in a variety of custom configurations such as end-caps and cradles with the three most common shapes being the envelope box and wraparound. Envelope is ideal for pharmaceuticals and individual assembly components. Boxes protect consumer electronics and wraparound structure is well suited for larger household appliances.