Cool & Convenient: The bio-based PCM phase change material offers rapid cooling and maintains the chill for extended periods, perfect for on-the-go use. Portable Perfection: Designed to be compact yet spacious, this case fits comfortably in pockets or bags, making it ideal for travel. Fresh & Odorless: The vent holes ensure your retainers stay fresh by minimizing odors and promoting airflow. Soft & Gentle: The skin-friendly feel of the material offers a comfortable experience against your skin, free from irritations. Flexible Fit: The elastic and stretchable fabric accommodates various retainer sizes and shapes, ensuring a snug fit. Say goodbye to hot and humid retainers! Our Chill Retainer Case combines functionality with comfort, providing a refreshing and practical way to store your retainers while on the move.