【Universal Compatibility】The backrest is universally suitable for aluminium motorbike rear cases with a capacity of more than 50 litres (check case dimensions before ordering).【Colour Selection】Two colours are available to choose from, black and brown (as shown in the illustration).【Waterproof Material】The outer layer is made of high-quality PU, waterproof and wear-resistant. The inner layer is filled with foam sponge, soft and comfortable.Easy to Install】The motorbike boot back padding has a double-sided adhesive tape on the back, just clean and dry the motorbike boot and stick the padding on the motorbike trunk surface. Do not expose to rain within 48 hours after installation.【Improves Comfort】The backrest of the top box adopts a split upper and lower design, which can effectively improve the riding comfort of rear passengers and reduce riding fatigue. Note: 1.We strongly suggest comparing the posted picture to your faulty/old unit! Please kindly check your motorcycle's model and confirm this item is suitable for it before ordering. 2.The product does not contain installation instructions. If you have any questions about that, we kindly recommend you go to the nearby mechanic to ask for professional instructions. 3.Installation: Easy to install, assemble and remove with great convenience, direct replacement. Highly recommended installation by professional. 4.Color Difference: Due to the light and resolutions setting difference, the item's color may be slightly different from the pictures. 5.Please allow slight dimension difference due to different manual measurement.