Amazon.com: Obenauf's Water Shield Odorless Durable Waterproof Spray for Fabrics and Leather - Water Repellent Works on Canvas, Suede, Leather and More - Great for Camping and Other Outdoor Use (16oz Bottle) :
Blaster 11 oz. Industrial Strength Silicone Lubricant Spray 16-SL - The Home Depot
Odorless Silicone Spray — T&L Specialty Company, Inc.
Snow-Proof™ Silicone Water & Stain Repellent - Fiebing's