Two-sided practice pad with standard silicone and near-silent, muscle-building “Marshmallow” foam. SILICONE SIDE: the medium-soft silicone provides bounce like a medium tension drum with noise reduction for quiet practice anywhere. The life-like rebound is similar to a drumhead, so your muscle memory transfers to the kit. MARSHMALLOW SIDE: this is MEINL Cymbals's quietest practice pad material. A special "Marshmallow" foam surface absorbs nearly all stick sound and reduces spring-back to build muscle fast.