Features:100% brand new and high qualityLightweight to wear, no burden on the wrist, no barriers to operation. High-quality TPU is fold-resistant, always close to protection.Side-covered side key design, the keys protrude on the surface of the case, which is convenient for blind touch pressing, and the side keys are covered with hollow processing, which does not affect the appearance and reduces the triggering force of pressing.The digital appearance position structure is specially optimized, which does not block the appearance and is easy to operate.The real machine opens the mold, one-piece molding, the hole position is accurate, and does not affect the use of the buttons and the roulette. It can be charged without blocking.The side-enclosed protects the dial to prevent daily accidental bumps.Package Includes:1x Protective CaseSpecifications:Material:TPUSize:Approx.4.6cm/1.81inchesColor:Transparent Blue/Transparent/Transparent Black/Transparent GrayCompatible with Polar vantage M/M2note:1.Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order.2.Due to the difference between different monitors, the picture may not reflect the actual color of the item.