Harbour wax can be used to enhance the water repellent surface on fabrics. Harbour wax works on fabrics made of at least partly cotton. For 100% polyester fabrics we recommend a spray on waterproofing treatment, available for example at sporting goods stores.
Rub Harbour Wax on fabric. Heat with iron or blowdryer for a water repellent surface.
Note: A weathered appearance and color variance is typical to waxed fabrics. Read more from makiaclothing.com/harbourwax