Spa Side Smartphone Enclosure with Door - BlackPolyPlanar is the leading manufacturer of spa specific audio systems designed in the USA. The Poly-Planar PM2 is designed to end the frustration of where to place your smartphone or MP3 while in the spa. The sturdy ABS plastic housing was designed to accommodate any smartphone or MP3 player. Suitable for skirt mounting on spas or wall mount on saunas. Specifications:ABS Plastic MaterialWater Resistant EnclosureFlip-up cover protects contentsCutout Dimension: 6 (154.5mm) x 3 (78.5mm)Mounting Depth: 3.15 (80mm)*Sold as an Individual