The material of this door sign is made of with the right thickness. It's durable and flexible and fits directly over the doorknob. It's unbreakable and tear-proof unless you put in the effort. The front and back sides are printed with different patterns and letters in contrasting colors. Whether the door is dark or light, you'll notice this door tag . Features - ColorBlack - Material: - Size: About 24.00x8.00cm/9.43x3.15inches - Clear statement: Clearly tell hotel staff when you need to sleep and please do not disturb, or when room cleaning is required. - Double-sided signs: Decorative door hanger is in a modern style with different patterns and letters printed on both sides - Contrasting color design: Classic contrasting colors design. Whether the door is dark or light, you'll notice this door tag - Stylish style: Keep the hotel door stylish with these decorative door hanger signs that hang directly on the doorknob - Applicable occasions: This practical door hanger sign is suited for special occasions, such as hotel rooms, lounges, etc Package list: 4 x Door sign