• 【Breathable Perforated Design】Silicone strap sections feature multiple round ventilation holes on each side, supporting airflow during fitness wear without adding unsupported performance claims.
• 【Soft Silicone Construction】Silicone forms the strap material, providing the flexible strap structure specified for wrist wear and replacement use with the compatible smart band.
• 【Metal Buckle Fastening】A metal pin buckle with a round metal rivet fastening structure secures the strap around the wrist during use.
• 【Tool-Free Attachment】Strap ends use clip structures with spring pins, allowing installation and removal without additional tools as specified for the replacement design.
• 【Adjustable Wrist Coverage】The strap accommodates wrist circumferences from 5.6 inch to 8.5 inch, providing a defined sizing range for different wrist dimensions.

Specifications:

• Product Dimensions: 27cm x 2.2cm x 0.5cm
• Material: Silicone
• Fit Wrist Circumference: 5.6 inch-8.5 inch
• Strap Hole Count: Approximately 12-15 round holes per side
• Buckle Type: Metal pin buckle
• Attachment: Clip structures with spring pins