A universal hygienic insert for blanket sleeping bags, which also increases thermal comfort. It is made of highly breathable 100% PES material with a brushed surface that is soft and smooth to the touch. Also suitable for use as a stand-alone blanket. Other advantages include its small volume, low weight and transport packaging.A universal hygienic insert for blanket sleeping bags, which also increases thermal comfort. It is made of highly breathable 100% PES material with a brushed surface that is soft and smooth to the touch. Also suitable for use as a stand-alone blanket. Other advantages include its small volume, low weight and transport packaging.