[2 of them can be converted to 1 in 1] dog bed stairs can be easily converted to a low height ramp from a 4 -digit staircase at a applicable high height. It can be adjusted ly according to the height of climbing, so that aging and weak pets with arthritis or other medical disorders can easily climb into the car, bed and sofa. .[ Surface thickened carpet] The surface of the portable stairs made of pine tree is covered with developed thick polyester fabric with soft, abrasion resistant and super -slip. Perfect traction for pets' claws minimizes the risk of injury. Meanwhile, solid wooden structure and metal support bars provide a strong balance and can contain domestic animals up to 180 libs. .[ Extra Safety Guarantee] Our dog bed ramp has extra adjustable wooden pieces added to the bottom of each step. They can be rotated to fix the groove under the groove to prevent the sliding of each metal rod. Even if the puppy touches the front of the step while climbing, it does not cause the step to fall and unnecessary injury. .[ Easy assembly and storage] The dog ladder is almost completely in one piece. You can use it immediately after receiving a simple installation. The foldable dog stairs only take up little space and can be stored in the car, under the bed and under the couch, easy to transport and transport. .[ 7/24 Online Service] If you encounter any problems during use, please do not hesitate to us so that your problem can be solved quickly. We unconditional for our products to provide you with excellent and a pleasant shopping experience.