Ambassador X

Ambassador X heads from Remo utilize the same film as the industry standard Coated Ambassador but are 20% thicker producing greater attack, volume and wider mid range tones while increasing durability and providing a unique feel for enhanced stick rebound.

Size 10″

http://www.remo.com/portal/products/3/8/50/764/ambassador_x.html

X14 is constructed with a coated single-ply of 14-mil Mylar for Xtreme single ply durability. The X14 is the world’s most durable single-ply drumhead.

Part Number: AX-0113-14

Size: 13″
Type: Batter Head

http://www.remo.com/portal/products/3/8/50/840/specs.html

Ambassador X

Ambassador X heads from Remo utilize the same film as the industry standard Coated Ambassador but are 20% thicker producing greater attack, volume and wider mid range tones while increasing durability and providing a unique feel for enhanced stick rebound.

Size 16″