[Size]:The total length is 28mm and the inner diameter is 25mm，the length of the inner band is 10mm.The watch strap loop compatible for SUUNTO CORE. [Compatible For]:Compatible with SUUNTO CORE smart watch bands, it fits the wrist firmly and is the perfect accessory for the watch. [Material]:The black rubber replacement watch strap loops are made of soft & durable silicone; Made of premium silicone material, strong and durable. [Fastening Design]:The watch strap loop has a special fastening design,the bumps on the buckle keep the strap and watch firmly on the wrist,which is not easy to fall off. [Fashionable Design]: The design of ultra-lightweight to ensure that the wristband is stylish and make your watch look novel. Type Watch S.
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