Function: They are used to protect surfaces like countertops or dining tables from heat damage when placing hot pots, pans, or dishes. They can also be used to handle hot items, protecting hands from burns.

Material: The items in the image appear to be made of cotton, a common material for such kitchen accessories, known for its heat-resistant properties.

Design: The visible objects are rectangular and padded, with one featuring a strap, suggesting versatility for use as both a surface protector and a hand protector.