Although Apple wanted to ensure that the 6s and 6s Plus did not re-ignite those Bendgate rumors, the just-launched iPhone SE is aesthetically based upon the iPhone 5s, which never had such reported issues. It would seem that the new 4-incher has been crafted in a similar fashion to the now-discontinued 5s, and whilst it is unlikely to bend in your pocket, SquareTrade's tests have found that it takes less weight to bend it out of shape than the current flagship.
SquareTrade, being a warranty provider, carriers out methodical lab-style stress tests rather than the typically more arbitrary drop, scratch and torture clips we tend to see. Though the iPhone SE is thicker than its flagship counterpart, you'll see below that it buckles under 60 lbs (73 kg) of pressure -- 10 lbs less than the iPhone 6s put through the same test.
The video runs the iPhone SE, iPhone 6s and 6s Plus through an entire assault course that includes drops and submersion in water. On the whole, the video demonstrates that despite their strong points, Apple's iPhone line-up is not particularly rugged, though the 6s Plus is the toughest of the most-recent trio: