These microwave bowl holders are made of high quality premium material, microfiber-polyester sponge technology which prevents burns and protects your hands and the countertop or tabletop surface from hot dishes. They come in 2 different sizes and is designed to accommodate different sized bowls such as mugs, cereal, plates and bowls. The first one is extra large with height about 2.7 Inches/ 7cm and its width approximately 11 Inches/28cm. The second one height is about 3.9 Inches/10cm and its width round about 7 inches/18 cms. They are easy to wash and are great for gifting purpose.