Standard Stinger SpillPals were specifically designed with the fracking industry in mind, and are ideal for outdoor use with moderate vehicle traffic. These models have been proven in the field, lasting multiple years over dozens of job sites. The oil and gas industry finally has a tailor made drive-thru spill control solution that will keep your job site safe and compliant. For lighter traffic indoor applications, an economy unit is also available. For even more durability, see the heavy duty version.