Pnuma IconX Heated Core Hand Warmer Replacement Battery Brand_B3 Archery Lightweight aluminum design Lightweight aluminum design Features: Weight boxes feature high density foam to stop chipping and rattling Lift out boxes for accessible organization Universal fit interior boxes allow for maximum flexibility Molded in finger slots allow quick removal Snap shut interior boxes hold small parts tight Water Wick divider with reusable moisture wicking packet Dri Loc® O ring seal maintains waterproofing when closed Rustrictor technology delivers 360 degrees of rust preventative protection EZ Label system for quick identification of contents DuraView crystal clear polycarbonate lid One handed latch design Ventilated dividers improve airflow Recessed dividers prevent content migration between departments Ribbed lids and base for durability Stainless steel pin hinges Stackable lids and bases Battery guaranteed against defects in performance for 90 days from the date of purchase Approximately 6