This is a mat designed to look like a guitar amplifier. It has been used indoors for about two weeks with slippers. It is in overall good condition. The back has a non-slip surface, but the effect is not very strong. You may want to purchase a separate non-slip pad from a 100-yen shop or similar. Size: 39.5 cm (length) x 59.5 cm (width) Thickness: 5-7mm Ideal for comfort under a desk or as interior decoration. [Free Shipping on All Items] Shipping costs are covered by us, so the buyer does not need to pay for shipping. We have many other items for sale, so please take a look. Thank you for viewing.