Lipper International Expandable Trivet, Bamboo Made of Bamboo Wood- A renewable resource. Harder than Maple. Natural Color- not a stain Easy to wash, mild soap and water. Dry thouroughly. Coordinates with other Lipper International Bamboo Collection Accessories Trivet Dimensions: 9 3/8-inch wide by 7 1/4-inch deep by 3/4-inch high. Expands up to 12 1/4-inch