Although it has hardly been used, please consider this item if you understand that it has been in someone else's possession. Approximately 35cm wide x 35cm deep x 4.6cm thick Color: Navy There are no noticeable stains. The non-slip backing has some areas that appear whitish, which may be due to the material's nature. Please refrain from purchasing if this concerns you. It has good elasticity. Please ask any questions in the comments section.