NOTE - These tablecloth clips are recommended to use on table whose thickness is 1.7-2.5 inches, the clip may not hold the table firmly if it is too thick or too thin.EASY TO USE - tablecloth clips are easy to install and take off, keep your table cover in place and prevent it from slipping.GOOD HELPER - Each picnic table clip size is approx. 3 x 2.56 inches. Can hold the table cloth firmly, a good helper for your indoor and outdoor activity.WIDE APPLICATION - picnic tablecloth clips are suitable for home, parties, picnics, restaurant, weddings, buffets, dinners, etc., keep tablecloths not slip off the tables even in winds.RUST PROOF & BUILT TO LAST - table cloth clips are made of stainless steel rust resistant, nice finished with smooth edge which will not scratch the tablecloth, it can be used over and over compared with plastic ones.