1) The 1/4 inch thickness provides the perfect surface to protect your knees and joints while still allowing you to grip the floor for balance poses; Our Research shows that Thicker mats are difficult to hold balance poses and create an unstable unsafe surface; Thicker is Not Better; 2) Our mats are Durable, Lightweight, Odorless and Easy to Care for. 3) This mat has been Tested and Approved and are Safe, Non Toxic, Hypoallergenic, No Phthalates, Phenols or PAHS, Free from Latex, Rubber or Silicone. 4) Our Mats are made from a non toxic resin, free of rubber, silicone, latex and does not emit any toxic chemicals or gases. 5) Our Focal Point Icon helps you focus on your poses; Mats are available in Illuminating colors that Define your Inner Self; 6) Aurorae Yogi Tips are included with each mat. Tips will help prevent slipping as well as instruct best ways to care for your mat; 7) If necessary use the Non Slip Rosin Bag that is included with each mat (at not cost) to absorb any perspiration and increase gripping power; 9) As a small family business we care about all our yogis and do our best to work in the Spirit of Yoga as your Satisfaction is our goal. Please feel free to contact us if you have any issue or need advice; “Illuminate Your Life” Check out our latest Yoga Mat development: Aurorae “ULTRA” Super Sized Extra Long 78″; Extra Wide 26″ and 1/4″ Thick for comfort and Safety. Non Slip Rosin and Carry Strap included.