The 4-in-1™ Marker is a versatile and practical tool for medical professionals. It features a dual tip and dual ink system, allowing for versatile marking options. It comes with a TIME OUT ® Sleeve, ensuring the marker is kept sterile until use. The marker also includes a handy ruler for precise measurements. Each box contains 25 sterile markers, and each case includes 4 boxes. This product is perfect for ensuring accurate and sterile markings in a medical setting.