Compare Quick view Master Spa Pillow, Master Spa, Small Corner, Black MSRP: Was: Now: $108.41 Relax. It's Master Spas. Spa Headrest Black Neck Jet Pillow for 2002 and Older Models. Dimensions: Length: 10.0 inches (25.40 cm) x Width: 6.0 inches (15.24 cm) x Height: 3.25 inches (8.255 cm). Weight: 11.2 oz Add to Cart Add to Cart