Custom Fit: Compatible with 2019-Current Mercedes-Benz Sprinter VS30 (Half Metal),ensuring a perfect fit every time Temperature Regulation: Keep the van cool in summer and prevent heat loss in winter.The 4 season window cover is made with three layers of high quality insulation and an additional layer of cotton,this design provides extra warmth by trapping heat inside the van Protect Privacy: Designed to enhance the privacy of your van life.When using these window covers,they can block outside views,allowing you to create your own private space Premium Quality: Made from durable nylon,it blocks sunlight and harmful UV rays.Incredibly resistant to tears and abrasions,it ensures a more comfortable travel experience Simple Installation: Features built-in magnets that easily attach to metal frames.Since these window covers are collapsible,they take up little to no space in your van when not in use.