Tri-Dex stacking bin label holders allow easy content identification for any plastic stacking bin. Clear label holders feature a tri-fold configuration to seal in labels for safe-keeping and clear, visible viewing of label. Label holders easily slide into molded-in label slots on Stacking Bins (sold separately) to protect labels or can be hung over hopper front on bins to provide label storage for bins without label slots. Made of clear PVC. No adhesive required. Sold in quantities of 25.Laser / Inkjet Sheets Included. Retro Fits Akro Mils 30210-30224 and Quantum QUS210-QUS224.