Changan Alsvin PVC Trunk Mat 2021-2025. Available at megamotorsports.pk. Introducing the Changan Alsvin PVC Trunk Mat for 2021-2025! Made with durable PVC material, this trunk mat provides reliable protection against spills, dirt, and wear and tear. Keep your car's trunk clean and in top condition with this easy-to-clean mat. Upgrade your driving experience today.