The Vango Groundsheet Protector - GP504 - Nevis 100/Cairngorm 100 is designed to protect the tent groundsheet from stones, thorns or other items which may cause damage. Shaped to the footprint of the Nevis 100 and Cairngorm 100 in the Vango trekking range, the Groundsheet Protector is an invaluable addition to extend the life of your tent. In addition, the locking clips secure the footprint to each tent ensuring the groundsheet stays perfectly clean.