OtterBox Commuter Lite Series Dual Layer Case for Samsung Galaxy A21 - Black 840104208915 | eBay
Amazon.com: OtterBox Galaxy A21 Commuter Series Lite Case - BLACK, slim & tough, pocket-friendly, with open access to ports and speakers (no port covers), : Everything Else
Galaxy A21 OtterBox Commuter Lite SmartSled Case for KDC SmartSled – KOAMTAC Inc.