? These plastic compact sized storage boxes are easy to arrange in a cargo bed and vertical-sided to avoid wasted space.? ? The nesting lids design allows the Front Runner Cub Packs to stack securely to each other. ? Made from black, high strength plastic. ? More compact than the SBOX008 and SBOX031. ? Integrated grips for easy carrying. ? Versatile. ? Suitable for exterior storage. For even greater protection on your vehicle, store in a RRAC159. ? Use in conjunction with SBOX052 or STRA034 as well as RRAC012 for a safe and secure roof rack storage solution. ? Front Runner storage systems are configured around the SBOX008 , SBOX031 and SBOX001 sizes to allow a comprehensive and practical storage solution.