The package contains: 5 contact lens case barrels in different colors, including black, pink, blue, orange, and green. Each case measures 5x3.5 cm (1.97x1.38 inches). The quantity is sufficient for cleaning multiple contact lenses at the same time, offering an ideal solution for lens maintenance. Safe and durable: Made from high-quality plastic material, these contact lens cases are strong, safe, and long-lasting. The material is safe for soaking and storing contact lenses, providing a reliable and harmless cleaning method. The interior of each case is smoothly polished, ensuring a scratch-free surface that will not damage your lenses. Usage instructions: Wash your hands before use. Unscrew the cap of the contact lens case, place your lens into the basket labeled R and L (for right and left), fill the case with cleaning solution, then gently twist the cap back on. Rotate the knob to begin the cleaning process. Always pay attention to the left and right lens markings during use. Portable design: Compact and lightweight, this contact lens case is easy to carry. Suitable for daily use at home or on the go, it can be stored in a drawer or carried in a handbag. Its convenient size makes it ideal for travel without adding extra weight. Practical gift choice: With a simple design and a variety of colors, this contact lens case set makes a thoughtful and useful gift for contact lens wearers. Share it with family or friends who will appreciate its functionality and style.