Shoreline Spas SL863B-37-L1 91" x 91" x 39" Bench Spa w/Circ Pump & Backlit Jets; Storm Clouds/Black Skirt The GL863 B provides ample room for seven users and a easy exit / enter / cool down seat option. Equipped with 63 gray & stainless steel jets, you can relax and melt into this extra deep spa.