Uphome 13 PCS 3D Birch Forest Pattern Self-adhesive Stair Stickers Removable Waterproof Wall Stickers - Stair Riser Decal for Living Room, Hall, Kids Room (Orange, 7.1&rdquo;H x 39.4&rdquo;W) 100% polyester Size: 7.1H x 39.4W (18 x 100 cm); Includes: 13 PCS/SET (Indoor Use Only) Material: Eco-friendly waterproof PVC with adhesive backing. Features: Featuring vivid colors and crisp images, these highly unique and versatile DIY Stair Stickers are durable enough for both stairs and wall use. These unique and durable Stair Stickers are good enough for both istairs or walls use, can be used on any dry, smooth, even, dust-free surface. Attention: First, count the number of stairs on your stairway. This is the Package Quantity that you need to order. Next, measure across the width of your stairs. Each stairway consists of a set of removable adhesive vinyl panels that are super easy to install, extremely durable, and easy to remove without damage to your stairway.