3 Piece Oak Tree Metal Wall Decor Our majestic oak tree garden art trio will help you branch out when it comes to your outdoor decor. This outdoor work of art accurately conveys the subtle symmetry of the stately oak tree across three separate pieces. Outdoor wall art makes a great accent piece over your outdoor sofa. Try gracing your garden area by adding to an exterior wall. Dimesions: Each panel is 24"L x 20"W x 1/2" thick; Overall: 60"W