Tus dev ya ya disc yog ua los ntawm cov khoom siv silicone txhim khu kev qha, uas muaj kev ruaj ntseg thiab nyab xeeb rau koj tus dev tom, thiab tsis yooj yim rau kev ua phem rau tus dev cov hniav, ua rau cov txheej txheem fetching softer thiab zam txim rau koj tus dev;Nws kuj muaj zog compressive kuj thiab resilience quab yuam uas tsis yooj yim rau deform los yog tawg, cia koj tus dev mus ua si ntev.