Vango Groundsheet Protector GP109Vango Groundsheet Protector GP109 The Vango Groundsheet Protector is an invaluable addition to extend the life of your tent. Not only does the Groundsheet Protector help stop small tears on the base of your tent from stones or thorns, it also allows you to map out your pitch before getting the tent out the bag and gives you a clean and dry surface to pitch and pack away your tent. This Groundsheet Protector comes as two parts. One to protect your tent