Wolverine Rocks & Rubber is Southeast Idaho’s leader in decorative landscaping rock and rubber mulch. Wolverine Rocks and Rubber carries the largest selection decorative landscaping rock, so you can make your home stand out in the neighborhood. Protect and beautify your home or commercial property with a recycled rubber substitute for wood mulch that will not compact or decay and lasts for years. Rubber mulch comes in many colors and is available for playgrounds and is the safest, most economical rubber play surface on the market.