Emperor Clear Standard ProPack Plus 14in Ambassador. Clear Emperor® heads are made with two free-floating plies of 7-mil Mylar®, making them the brightest sounding multi-ply heads and most durable of the classic clear WeatherKing® series. Clear Emperor® heads are made with two free-floating plys of 7 mil Mylar® film, which gives consistent open tones and accounts for their popularity among many of today’s Pop, R&B and Rock drummers. Also available in 5 mil Snare Side Heads for a more focused snare response. The Coated Ambassador® heads are medium-weight heads made with a coated single-ply 10-mil Mylar® film to produce a warm open, bright, and resonant sound with a warm attack. Coated Ambassador® heads are the standard of the industry for both live and recording situations.