These mats are water resistant, so spills and cleaning them is not a problem at all. All you need to do is to wipe them and let it dry. If you are a worried about making noise while you workout, these Noise Resistant foam mats will help you keep it down. These are durable and non skid so you can place your gym equipment on top of it and workout without skidding on the floor. This also helps keep your floors safe, in case you drop heavy equipment. It also helps with joint or knee pain as it provides a soft and safe cushion surface and is also great for children playtime. They are made of eco-friendly EVA foam. Very easy to assemble. Each tile comes with two straight edges so that you are able to smooth out the edges. It is advised to keep them out of direct sunlight.