12 pack of Rayovac Size 312 Hearing Aid Batteries to power your listening device NEW certified Child Resistant packaging*, in compliance with Reese�s Law. See images for guidance on how to open. *Senior Adult Test, Sequential Child Test, CPSC 16 CFR PART 1700.20, August 2023, Prepared by Child Related Research, Inc. Duracell hearing power, budget friendly price* *Based on ANSI runtime. Long tabs make handling and inserting into the device easy. Our Batteries don't swell, leak, or damage devices* *16 H/D resistive over-discharge at 80% RH, inspecting for vent leakage and post-discharge heights 1 day after completion. Tested between Jul. 2021 and Dec. 2021 using market samples. Recyclable packaging*. *Card and dials