Petrified Wood Bowl. The petrified wood is approximately 25,000,000 years old. 12 inches long, 10.5 inches wide, and 4 inches deep. Pebble stocks these bowls in different sizes from 4.5 inches long and 2 inches deep, to 13 inches wide and 12 inches deep. We are happy to email photos with exact dimensions of each piece. Please contact us on 44 207 262 1775 or email@example.com for further information.