No nails, or staples, simply roll it on. Reverse rolled with adhesive on the outside. The adhesive won't harm carpet if you want to remove it. Keeps carpet clean and looking like new. Self-adhesive and easy to remove. Will maintain a smooth walking surface without lifting at the edges or in the middle of your path. 21" wide x 35" long .

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We are family owned and have been in the business of selling RV parts and accessories for over 40 years. We believe in the value of a good customer experience. Thank you for looking.