Applicable models: RAM 1500 2018, 2019, 2020. Please confirm the model and year before ordering to ensure a fit. material: Windshield sun shade made of nano thermal insulation material. It provides thermal insulation, blocks harmful light, keeps the vehicle cool, and protects against hot sunlight. It is lightweight, durable, and not easy to tear. Protection and benefits: Provides sun protection in summer and heat protection in winter, blocks ultraviolet rays, and lowers cabin temperature. Protects the health of occupants and helps prevent interior aging while reducing or replacement costs. Creates private space inside the vehicle. Saves energy and improves air conditioner efficiency. Easy to use and store: Open the sun shade to install, and it folds for storage. It can be stored easily in the car door pocket without taking up space. Use scenarios: Outdoor parking in hot sun to keep the interior cooler and reduce AC load; daily commutes with children or pets to maintain a comfortable cabin environment; long trips or storage periods to protect interior materials from sun damage.