These best-selling, hands-free screen doors open easily then close automatically behind you using 18 powerful magnets. Easy to install, they go up in seconds with no tools required and can stay in place all season long. Then, they fold for compact storage. Available for single doors, double doors, sliding doors and garage doors, they're made with heavy-duty mesh to keep bugs out and let fresh air in. The weighted bottom on the garage door screen keeps it securely in place. Metal, polyester and magnets. Garage Door (84 1/2"H x 109"W)