The Card, Sign, & Jewelry Holders are made from 100% Natural Travertine, Onyx, or Limestone. The size: Width: 3 x Height: 3 cm / Width: 1.2 x Height: 1.2 Inches approx.. The length of the card holder can be chosen. The slots are 3mm wide & 7-8mm deep. The package contains one (1) card/sign holder. Please be aware that the items are made from natural stones, so there might be differences in the locations of veins & holes, but the colors will be the same. The items are made of 100% natural stone. Chemicals or any kind of paint are not used in any part of the production. The item is made of %100 natural stone. Chemicals or any kind of paint are not used in any part of the production. Please avoid the use of chemicals for cleaning this item. The use of water and/or a wet cloth is recommended. Please avoid using chemicals to clean this item. Washing it in the dishwasher is NOT recommended. A wet cloth or water is recommended to clean this item. Travertine Card Holder, Marble Menu Jewelry Display, Name Tag Wedding Bar Sign, Stone Place Holders