TenCloud Samsung Gear Fit SM-R350 Accessories Replacement Made of TPE+TPU, safe and environmental, non-poisonous material, tasteless, non-corrosive Fit 5.5"-8.5" wrist. Adjustable 12 holes with fall-off prevent fastener rings, matched arbitrarily Fits into human body ergonomically, durable, soft hard moderate for comfortable wearing 11 gear fit bands with 12 loops in the package.Easy installation without any interferes, washable for being cyclable 1 Year warranty. Unconditional refund or replacement for any quality issue. PS: For Samsung Gear Fit ONLY, No Samsung Gear Fit included :)