Standing for long periods of time can have dramatic detrimental effects on your health such as painful joint compressions. To help avoid these problems many people are turning to WellnessMats which have APT technology. APT is an acronym for Advanced Polyurethane Technology which gives WellnessMats their comfort performance and longevity. APT permanently bonds the soft thick polycore of the mat to the stain and abrasion resistant outer layer. The result is a mat that is always flat and will never de-laminate or curl even if manually cut to fit corners. With a no-trip beveled edge and an antimicrobial material it has anti-static properties and is non-toxic with no plasticizers odors or leeching chemicals. Incredibly resilient they are puncture shock stain flame and shock resistant and will always bounce back and recover their original shape. WellnessMats proudly backs each mat with a 20 year manufacturer s warranty against any defects in materials and workmanship.