Dorema Oslo Porch Awning FREE STORM STRAPS INCFREE DOREMA STORM STRAPS INCLUDED WITH AWNING PURCHASE Winter porch awning with heavy Duty PVC materials. Use of internal or external pegging points allow the mudwalls to be positioned inside or outside This universal porch awning is designed with the most ardent of winter, seasonal and touring campers in mind. Its functional design and materials lend themselves ideally to all season or winter use. Made of a very strong PVC coated polyester material