TPU silicone strap in black is flexible, waterproof and durable. Compression molding, sturdy and durable. Protects smart watch from scratches and wear and tear. The size can be adjusted according to the circumstance of individual wrist. Softness and comfortable. A good replacement for your old and broken strap. Compatible with Polar M400 GPS Smart Sports Watch, or Polar M430 GPS Running Watch. An extra tool for easy fitting and removing spring bars from watch strap and band. Note: Replacement bands only, not include the watch. Color Black Material Silicone Band Wide 2.9cm (1.14'') Band Length 12.2cm (4.8''), 8cm (3.15'') Adjustable Extent 8cm (3.15'') Weight 26.7g Brand Unbranded/Generic MPN HD78686.
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