The Cocoon sleeping bag liner Travelsheet Insectshield 100% Cotton is a sleeping bag liner with anti-insect impregnation. The sleeping bag liner has an Insect-Shield and protects you from insects such as mosquitoes, ticks, ants, flies, fleas, crickets, bedbugs and midges. The impregnation is completely odourless, invisible and doesn’t influence the material properties of the 100% cotton. Based on natural substances and therefore not harmful to one’s health. Operation is guaranteed up to 70 washes. The head has a sewn-in pillow case so your pillow doesn’t slide. The side opening has a velcro fastening. The seams are double stitched and the broad opening is reinforced.