Lipper International 8223 Bamboo and Metal Expandable Trivet Set includes: one 14 -inch bowl, four 7 by 2-1/4-inch bowls, and two servers Made of bamboo wood which is a naturally replenishing grass and one of the world's most renewable resources Extreme changes in temperature, humidity and dryness effect wood; store away from heat and sunlight in a well-ventilated spot Wipe clean with mild soap and water and dry thoroughly; rub occasionally with mineral oil to maintain appearance Coordinates with other lipper international bamboo collection accessories