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) :
Waterproof Fabric Coatings 101: PU vs. PE vs. Silicone – SlingFin
Loctite 2.7 Oz. Clear Silicone Sealant - Power Townsend Company
V.I.P. Silicone Water-Guard Water Repellent, 13.13 Ounces - Walmart.com
The 12 Best Waterproofing Sprays of 2024 | Tested by TripSavvy
Sof Sole Heavy-Duty Silicone Waterproofer, Spray-On, Stain Resistant at Tractor Supply Co.