the perfect year-round dog bed! why would we stuff a dog bed with wool? glad you asked! wool is one of nature's most technically advanced fibers and has some some amazing properties: - 100% all natural, minimally-processed wool - odor resistant - stays cool in summer & warm in winter - with proper care, wool lasts a lifetime - anti-microbial & chemical free - sustainably & humanely sourced in california if you have a puppy or an older dog, consider our water-resistant liner for extra protection!