The Powerstroke P3 Smooth White 5" White DynamO features midrange and low end resonant tones with a pre-cut 5" hole with a DynamO reinforcement ring installed. Constructed with 1-ply 10-mil Smooth White film with a 10-mil inlay ring and 5" White DynamO, the Powerstroke P3 Smooth White drumhead provides a perfect balance of mid and low tones that has made Powerstroke Smooth White one of Remo's most popular resonant Bass drumheads.