Perfect tool to retain the heat of stones for a long and relaxing massage Large space to heat more stones all at the once, can hold 16 pieces stone one time Give you and your clients the best hot stone SPA experience Lightweight and portable design to use conveniently wherever you are. High Quality cotton bag construction. Suitable for Body Massager OR Body Massager Spa Specification: Material: Fiber Cloth + Cotton Size : Approx.27 x 25.5cm /10.6 x 10.0 inch Plug Type: US Plug Package Includes: 1 Piece Hot Stone Heating Bag Note: Size for manual measurement, there may be a 0 to 1 cm error, belongs to the normal phenomenon. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you The Hot Massage Stones are Not included