Please note: Salon mats may harden at temperatures below 60°F (15.6°C), and it may take around 96 hours to return to their normal condition. Basking in the sun can facilitate a quicker recovery of the salon mats to their normal state, typically within 8 to 16 hours of sunlight exposure. Why should you choose this salon mats? First, 1 inch thick instead of the regular 1/2 inch thick, thicker floor mats provide a more comfortable experience and help you combat the fatigue of standing locks for long periods of time. Second, Use One-time molding process mats back, rather than glue that is harmful to the human body. The whole barber chair mats is made of environmentally-friendly PU and high density foam cotton, which has no peculiar smell and is friendly to human body. Finally, We use stronger packaging to avoid shipping damage and offer up to 1 year's. If you have any questions, you can contact us through Amazon "contact seller". Size: 5 Ft×3 Ft Thickness: 1 inch Applicable people: long-term standing staff Inner ring size: semicircle with diameter of 27" Suitable for barber chair: round, square, pentagonal barber chair base