PP Plastic Contact Lens Case for Girl, Two Tone, BlackSize: about 2.20 inch(56mm) wide, 1.08 inch(27.5mm) long, 0.47 inch(12mm) thick, 0.81 inch(20.5mm) inner diameter.âMaterial: made of plastic, sturdy and durable. No leakage of water. âEasy to Carry: Small, light, portable. Use of travel and outdoor activities. âLeak Proof Ergonomic Case: The screw top of these contact cases helps to prevent any leakage at all and the design also makes it ideal for all spaces such as bags, purse or any other carrying container.