made of silica gel,it is 2 15/16 x 2 15/16 inch.Considerate hook hole,can be conveniently placed on the hook,is conducive to saving space,folding height only 2cm,storage does not take up space.And it is convenient for anyone in the family.Super easy to keep clean,even if there's no oil,simply rinse with warm water,add a little soap,or put it in the dishwasher. Custom logo is welcome.