The gusseted structure allows for the optimum packaging of large items and instruments. Made from Kraft medical grade paper and double-fold plastic medical grade film, they are indicated in steam and ethylene oxide sterilisation. Consistently strong, with optimum peelability they are tear-proof with no fibre release. With added reinforced lateral seals and coloured process indicators, sterilised products can be distinguished from non-sterilised products,at a glance.