The power supply silicone case is a durable and stylish protective cover for MacBook power supplies. Made of premium-grade silicone, it protects your power supply from drops, bumps, and scratches while allowing access to all ports and buttons. It does not affect heat dissipation and is easy to install and carry. Suitable for MacBook Pro 16 15 14 13 inch 2021 2020 2019 models.