The Office Oasis Original Rollerblade Office Chair Wheels (As Seen On, Black Product Details ? LIFETIME WARRANTY - Our warranty never expires, so if you EVER have any issues, we'll send you a brand new set of wheels. We?re the only brand that offers and stands behind a full lifetime warranty. ? SAFE FOR ALL FLOORS - Many chair wheels use cheap, low quality materials that destroy your flooring. We don't. Encased with soft, polyurethane material our rollerblade style wheels are guaranteed not to scratch or leave marks on any surface (including hardwood, carpet, tile, laminate and more). ? QUICK AND EASY INSTALLATION - No tools required! Easily remove and replace the wheels in your desk chair in less than 30 seconds. Simply pull out your old caster wheels and pop these in. Check out our quick replacement video for more details. ? UNIVERSAL SIZE - Upgrade any rolling office chair with these smooth caster wheels. The universal size stem will fit almost every office chair on the market, except IKEA, for those check out our IKEA Chairs Only size. If for some reason they don?t fit your specific chair, we?ll gladly take care of you. ? SUPPORTS UP TO 650 LBS - Manufactured with the best available materials these casters are built to last a lifetime. Heat treated high-grade steel, precision ball bearings, and durable polyurethane provide years of effortless rolling. The heavy duty chair wheels easily support 650 lbs. Payment We accept PayPal and credit cards via PayPal. Taxes - US We collect sales tax, as required by law. Shipping We make every effort of shipping within 3 business day of payment clearing. The estimated delivery time is 2 - 5 business days from the shipping date. Policies If you do need to return your item, please contact us via email (you will receive an email when your product ships with additional details - Subject: Important information about your purchase). You will then be provided with a return shipping label and packing slip. Pack the item carefully. Include the packing slip, apply the shipping label, and return the item within 30 business days of the date you request a return, or your return will be canceled. Once we receive your order we will inspect the return. Please allow up to 5 business days of receiving the returned item for your refund.