Check the listing for details. 1 pc 20700 21700 PLASTIC STORAGE PROTECTIVE CASE HOLDER BOX BATTERY CLEAR 2-bay. Condition: New. Listed at 1.50 USD. Up for sale is 1, (2-bay) Clear plastic battery storage protector for protecting your 20700 21700 batteries. These will hold two 20700 batteries or two 21700 batteries. 3rd & 4th pictures are for illustrative purposes only. There are no batteries included with this listing. Just 1 plastic case for storing two 20700 or 21700 batteries.Also please note that these will not work with batteries that have PCB and button tops which are a bit too long for this particular case. ATTENTION: When using the case as intended, under no circumstance is it to be put in your pocket, bag, purse, or on your body. Pockets/bags/purses contain keys, coins, objects, and debris that could get inside the protective case and potentially cause cell(s) to be short-circuited, resulting in a potential explosion. Buy with confidence from a trusted Ebay Seller. Thanks for looking.