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 double-sided door hanger sign can clearly tell hotel staff when you need to sleep, and please do not disturb, or when room cleaning is required. Features -Color:Black -Material: -Size:24.00X8.00X0.30cm/9.43X3.14X0.12in - This door sign makes it clear that you do not want to be disturbed during sleep and also informs hotel staff when you need room cleaning. - Made of material, premium quality and durable, stitched edge, unbreakable and tear-resistant. - The door hanger sign has front and back sides, with different patterns and letters, to meet actual usage needs. - Modern style door hanger sign features contrasting colors and a simple look that is full of modern decor. - Practical and convenient, it can be hung directly on the doorknob, suitable for hotels, company lounges, and other places. Package list: 12 x Door Signs