Canvas Blanket 18 Oz with Polar Fleece Lining & Gussets By Derby Originals High-quality, heavy-duty, water resistant,durable 18 Oz Duck Canvas. 100% polar fleece lined for warmth & comfort. Buckle front closure for easy on/off. Half surcingles and two leg straps for a secure Ideal for turnout & stable. These are not waterproof for heavy rains. Sold at Wholesale Price!