Hign-concerned Chemical : None Material Type : COTTON Origin : Mainland China Upgrade your helmets game with our adaptive pressure-relieving liners for men. Enjoy wider compatibility, easy tool-free installation, and more efficient head protection. Our liners are designed to maintain insulation in the colder months. Stay safe and comfortable with our helmets liners. Specification: Product name: Helmets Liners Material: Silicone Product size: Diameter: about 26.5cm/10.43 inches Thickness: about 1.1cm/0.43 inches Sticking strap: about 41.5 x 2.1cm/16.34 x 0.83inches Packing List: 1 x Helmets Liners Note: Due to different lighting and screen settings, the item color may be slightly different from the picture. Due to different manual measurements, please allow a 1-2cm difference in size. See more product details 1.Perfect Head Protection: Experience worry-free riding with our helmets liners for men, made with excellent food-grade silicone that ensures perfect head protection by efficiently absorbing and dispersing impact. Its excellent elasticity and durability provide long-lasting and reliable comfort. 2.Pressure-Free Fit: Our men's helmets liners possess a distinctive silicone molecular structure that shapes itself to your head shape automatically; resulting in a perfect and comfortable fit. The unique design provides relief from pressure and allows you to wear your helmets for longer periods without experiencing discomfort. 3.Quick Stick Design: Our helmets liner features a practical sticking design that requires no tools for effortless installation and removal. Keep your helmets clean and hygienic for extended periods with this convenient and easy-to-maintain liner. 4.Improved Compatibility: Allow for improved equipment flexibility with our helmets liners, appropriate for a wide range of electric vehicle and motorcycle helmets. Cut to fit both full and open-face designs, our liners boast a wide range of applications, improving your riding experience. 5.Perfect for All Seasons: Achieve optimal temperature balance with our helmets liners. Enjoy effective heat insulation in summer and maintain desired warmth in winter, ensuring a comfortable riding experience throughout the year, with good temperature control performance.