Rolling Knee Pads keep your knee in a comfortable and stable position and provide maximum safety! Depending on the job, it will require you to kneel longer, which can worsen with daily abuse and constant pressure on the knee and cause very painful and expensive problems in the near future. Rolling Knee Pads embedded with a suitable silica gel fit the knee tightly and provide maximum security. OUR GUARANTEE We are confident that we offer some of the best products on the market. Therefore, we provide a 30-day guarantee. We will make every effort to ensure that you are completely satisfied with your purchase. Online shopping can seem daunting. We want you to know that there is absolutely zero risk of purchasing something. We won't make it difficult if you don't love it. We offer email and ticket support 24 hours a day, 7 days a week. If you require assistance, please contact us. Please contact customer service if you have any problems with your purchase.