Image Item No. Description  11477pb056  Slope, Curved 2 x 1 x 2/3 with 9 Blue Lines Pattern (BrickHeadz Stormtrooper Helmet Side) Catalog: Parts: Slope, Curved, Decorated  15068pb146  Slope, Curved 2 x 2 x 2/3 with Black Pixelated Shape and Light Bluish Gray Angled Line Pattern (BrickHeadz Stormtrooper Breathing Mask) Catalog: Parts: Slope, Curved, Decorated