Lethathamo la litheko tsa materase a selemo sa marang-rang Lihlahisoa tsa Synwin kaofela li fanoa ka boleng bo tsotehang, ho kenyelletsa le ts'ebetso ea botsitso le ho tšoarella. Re ntse re inehela ho boleng pele mme re ikemiselitse ho ntlafatsa khotsofalo ea bareki. Ho fihlela joale, re se re bokelletse bareki ba bangata ka lebaka la lentsoe-of-mouth. Bareki ba bangata ba khothalelitsoeng ke balekane ba rona ba kamehla ba khoebo ba ikopanya le rona hore ba ka thabela ho etela feme ea rona le ho theha tšebelisano ea nako e telele le rona.
Lethathamo la litheko tsa Synwin spring materase a Marang-rang Re rala batho ba rona, tsebo le temohisiso, ho tlisa mofuta oa rona oa Synwin lefatšeng. Re lumela ho amohela mefuta-futa 'me kamehla re amohela liphapang maikutlong, maikutlong, litsong le lipuong. Ha re ntse re sebelisa bokhoni ba sebaka sa rona ho theha mela e nepahetseng ea lihlahisoa, re fumana ts'epo ho tsoa ho bareki lefatšeng ka bophara.fektheri e otlolohileng ea materase, lik'hamphani tsa materase tse tobileng, lebenkele la materase ka kotloloho.