I've had an Otterbox Defender for my S3 now for quite awhile. The silicone over the plastic shell always seems to stretch over time causing a loose fit. I know you can contact customer support and have a new case sent to you from Otterbox, but I figured there had to be something to tighten the silicone up. After browsing the web, I heard that if you boil the silicone for a few minutes in boiling water, it will tighten it up. I figured I'd give it a try and it actually did work, the case now fits like it did when it was new.