This dog ramp makes it easier for your dogs or other pets to get on and down high places. Stable construction: This pet ramp has a solid fir wood frame for stability and durability. Solid fir wood is a beautiful and durable material that maintains its integrity even when exposed to moisture. It does not dry out or warp, making it a reliable choice. Anti-slip surface: This canine ramp features a waterproof asphalt surface with anti-slip crossbars, ensuring that your small furry friends can walk on it securely and without any risk. Extra-long: This portable dog ramp can be extended up to 120 cm in length and reaches up to 60 cm in height. This dog ramp provides a gentle slope that helps reduce your pets' muscle and joint tension caused by jumping. It also relieves their pressure on paws and joints.