Spongecleanonly. 100%Polyester. Thewidthmeasurementsquotedarethetotalproductwidthincludingmechanisms. Fittinginstructionsprovided-canbefittedinsideoroutsidethewindowrecess,tothewallorceiling. Canbecuttosizetofityourwindow. Important:Whenfittingyourblind,youmustfitthesafetydeviceprovidedwiththeblindtothewallinordertotieupthepullcordsafelyoutofthewayofchildrenandpets. Forsafetywerecommendthatyoumovebeds,cotsandfurnitureawayfromanywindows,evenwhenasafetydeviceisinplace. Topreventtheformationofanypotentiallyhazardousloops,whichcouldendangerchildren,thisproducthasaprimarybreakawaysystem. Thesecomponentsaredesignedtocomeapartwhenundueforceisappliedtotheblindcordsorchain.Thisbreakawaysystemiseasytoreassembleintheeventthatthecordsorchainsarepulledtoohard,andbreakingawayaccidentlyinuse.