It can be removed immediately without the hassle of putting on and taking off the rubber and keeping it cleanly as frequently as it is easy to wash. Also, the silicone resin has high friction coefficient to prevent slippage even without an elastic band. The "N Cool Double Super" series is the coldest, longest lasting cold! Recommended for those who are hot or those who want to stay cold for a long time. No rubber for a clean look. In addition to the cooling feeling of contact with the outer fabric, the PCM micro capsule inside will feel cold when it is absorbed by heating, and repeatedly absorbing and releasing heat to maintain a comfortable temperature. Anti-bacterial and anti-odor treatment to reduce odor-causing bacteria, so you can avoid unpleasant odors. In addition, it has a deodorizing function that suppresses unpleasant odors such as sweat and room drying odor suppression treatment, and it also has a mite resistant treatment so you can use it cleanly. (Cool Double Super) Nitori Touch Cooling Feel) Easy to put it down. Pad without rubber bands; No rubber bands for a clean look. Does not slip easily even without an elastic band. Even if it gets dirty, it can be removed immediately. Easy to wash frequently. Made with a continuous cooling sheet containing PCM capsule for a long lasting cooling sensation; Includes a moisture absorbing sheet that absorbs sweat quickly; Deodorizing function that suppresses unpleasant odors such as sweat; Made of mite-resistant material that prevents dust mites from repelling dust mites indoors (dust mites mainly in indoor dust); Antibacterial deodorizing treatment to reduce odor causing bacteria. Room dry odor control treatment (surface fabric). 5% Composite Fibers( Polyethylene/nylon) 45%, polyurethane 10% non-woven fabric: 100% rayon. Filling: 100% polyester. Lining material: 100% polyester (silicone resin). Machine washable (use a net).