GYBest Silicone Halloween Bone Chillers Skull and Crossbones Ice Cube Tray (Dark blue) Skull- and crossbone-shaped ice cubes will have mateys lining up to walk the plank for more of your cold concoctions Single tray makes 8 cubes, evenly divided with four skulls and four crossbones Materials:FDA Food-grade Silicone, the tray easily ejects the cubes, with no breakage Safe to clean in the dishwasher. DIMENSION:20.3*10.3*1.9 cm Brand: GYBest