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) :
How to Use Waterproofing Spray and Wash for Jackets, Tents, and Footwear | Backpackers.com
GEAR AID Tent Waterproofing Spray and Sealer for Nylon Tents, Tent Fabric Kit | eBay
Silicone Waterproof Spray For Boots Tents & Outdoor Gear Synthetic 12-Ounce | eBay
Best Tent Waterproofing Spray of 2023 - Wilderness Redefined