Recycling kit includes a carton especially designed to hold U-Tubes & HIDS. Mailing the 2' carton is fully prepaid back to the handling site with full coverage for liability. Capacity is 41 each T12, 75 each T8 U-tubes, or 60 400W HIDS. Kit includes UN rated, DOT-approved recycling container; 6 mil poly liner; liner tie; instructions; terms & conditions; prepaid return shipping label with map & return stickers; proof of purchase with serial number; & online certificates of recycling. Kit is the safest & best way to properly dispose of items that are required to be properly disposed of. Avoid EPA fines for improper disposal that can be in the thousands of dollars.