Defective product but effective service

First parcel received: one tube is completely twisted, impossible to assemble the 2 pieces ...
Mail to a photo service + 3 days after I received new push up compliance (without having to return first received). Very nice efficiency!
Regarding the product, have solid push up air (foam a little thin, it's not to put your head over and rest but still .... if no problem with gloves). Note that on tiles that can slide a little (less rubber than on my old Decathlon).