You need to accurately assess your needs and choose the right size ramps based on the scenarios you use, including the environment, service objects and lifting height. The main frame is made of lightweight and high-strength aluminum alloy, and the bearing capacity is up to 600 lbs.The main frame is made of corrosion-resistant aluminum alloy material, the bolt and hinge are made of stainless steel, and there is no rusty part in the whole product. Can be folded in half from left to right, and with a high-strength handle and a pair of stainless steel bolts on the upper lip, make it convenient to carry and transport. The surface covered with sandpaper is skid resistant and has greater access safety 5. Passivate the edges and corners to avoid cutting risk caused by sharp burrs. Panel Material: Aluminum Alloy 6061-T6 2. Hinge & Bolt Material: Stainless Steel 3. Static Loading: No Less Than 600lbs / 272.16KG 4. Space Between The Left And Right Panels: No More Than 0.79/ 2CM 5. Unfolded Size: 48.03" x 28.35"x 1.97 / 122 x 72 x 5CM(L x W x H) 6. Folded Size: 49.21"x 15.75" x 3.94/ 125 x 40 x 10CM(L x W x H) 7. Net Weight: 22.05lbs / 10KG. 1 x Manual 1 x Wheelchair Ramps 2 x Bolts. STURDY & FIREPROOF & IMPACT RESISTANT : Constructed from concrete decking with a aluminum alloy frame, these wheelchair ramps are designed to resist weather, fire, and impact so you can leave it in outsides. SAFE TO USE : The gritty surface ensures a safe footing. Two guardrails on either side to prevent accidental falls. Passivation treatment for edges and corners avoids cutting risk caused by sharp burrs. LIGHTWEIGHT & EASY TO CARRY : Portable wheelchair ramps are designed to be lightweight. Ramps fold in half so they can be carried like a suitcase with a handle in two sides and can be separated into two pieces for easy carrying. EASY TO STORE & SPACE SAVING : The unfolded size is 48.03" x 28.35"x 1.97"and folded size is 49.21"x 15.75" x 3.94". It is easy to store and space saving. You may return your Undamaged and not used product with package within 30 days from the date it was received. If the reason for return isn't quality-Related Issues. If There are any problems with our products, Please Contact our Customer service First before open a dispute. It will save much time to solve your Problem. You can confirm it through the feedback we have received. We will provide you a superior service. Items will be checked and packaged well before we send them, to make sure our clients received it in good condition. If you receive damage to items, please don't negative comment, you can contact online customer service, provide photos, verify it, reshipment for you. Thank you for shopping at our store. This item is in the category "Health & Beauty\Medical & Mobility\Mobility Furniture & Fixtures\Access Ramps". The seller is "harmah_1722" and is located in this country: CN. This item can be shipped worldwide.