Cap-free design allows for easy 1-handed operation Unique Safety Seal(TM) valve prevents marker dry out. Erases quickly and easily from most whiteboard and nonporous surfaces. Low-odor ink is ideal for classrooms and conference rooms. Exact markings from the fine-point tip are perfect for smaller whiteboards. Certified AP nontoxic. Conforms to ASTM D4263. Expo Markers & Highlighters part of a large selection of office supplies. EXPO(R) Click Fine-Point Dry-Erase Markers, Assorted, Pack Of 3 is one of many Dry-Erase & Wet-Erase Markers available through Office Depot. Made by Expo.