Smooth writing. Retractable. No skip guarantee. Contoured comfort grip. Non-toxic. Unconditional Guarantee: If for any reason you are not completely satisfied by your purchase, simply return the product with proof of purchase for a replacement or refund, whichever you prefer. We welcome any comments or questions you may have. When writing, please include the 12-digit UPC number. Questions? 1-888-423-0139.