Wilson Enterprises Split Birch Firewood (Box size 12" L x 12" W x 18" H) Clean and Decorative as well as functional Each order is one box full of firewood; box size 12"L 12"W 18"H KILN DRIED to sterilize, wick away moisture, and preserve the integrity of the bark. Each product is unique as this is a natural product and may not match the picture identically. Product of the USA. Proudly made in Michigan's Upper Peninsula.