Product Details Off-Road Walker Kit Kit converts walkers for off-road use Soft 8” no-flat tires Works on grassy areas, dirt roads, and rough terrain Wheels with adjustable legs slide easily into existing walker Includes two skis for use on snow For post-purchase inquiries, please contact customer support. View the Goods FAQ to learn more. The Fine Print Free returnsDoes not ship to PO boxes/AK/HI/Puerto Rico.Warranties offered with select products are valid on US purchases only.Most orders are delivered within 7 business days from the purchase date. Most Canadian orders are delivered within 7-10 business days from the purchase date. Shipping questions?How is the strike-through price determined?