Made from heavy duty PP plastic with galvanized steel hinges; strong, durable and rust resistant in all wet weather Not only can it be used outdoors, but it can also secure the towel to a lounge chair or patio. Usage: clips high quality can be used not only in your kitchen, but also in the office, garage, shed or anywhere you need a durable clip to keep the bag closed and airtight. High quality and durable, ideal for daily use at home or on the go. Good elasticity, strong clip, windproof and durable