Recycling kit includes a carton especially designed to hold 4' fluorescent tubes. Mailing the carton is fully prepaid back to the handling site with full coverage for liability. Capacity is 68 each T12, 146 each T8 4' straight, 22 each T12 or 32 each T8 U-Tubes. 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.