Using this mattress protector is easy. Just place it on your double bed over the mattress and tuck the 50cm fitted skirt around the edges. It will fit snugly. For cleaning, you can simply throw it in the washing machine and then tumble dry. Make sure to follow the normal washing instructions on the care label. To keep it in good condition, avoid using harsh chemicals. Also, check regularly for any signs of damage. If you notice any issues, contact us within the 5 - year warranty period. And don't forget, you can pair it with the matching pillow protectors for a complete bedding set.