2 panels per package, Each panel is the same.We provide size customization service, you are welcome to order. Thermal Insulation and Energy Smart: Thermal insulated room darkening curtains will balance your room temperature by preventing from heat escaping. They will keep heat from getting out during winter and in during summer, thereby they will save your energy bill. MULTIPLE FUNCTIONS: These soft and durable curtains feature high performance on room darkening, thermal insulated, noise reducing, energy saving / efficiency and privacy protection, let these breathable and airy panels add beautiful look to any windows of your room Strong ligh-blockng: Optional performance for blocking light, thermal insulation, noise reduction, suitable for living room, bedroom, no longer to be bothered by sunlight forcing to wake up early on rest days EASY CARE:Machine or hand washable. No bleaching.