The design of this dish drying rack is guaranteed BPA-free, environmentally safe and is made of food-grade silicone steel , so it is safe to use in the kitchen. Thanks to the silicone attachment on both ends, the dryer is non-slip . Additionally, since it is collapsible and the tubes are removable, it is easy to wash and keep clean. One of its added features is that you can wash it in the dishwasher - all for your convenience.