**Product Specifications:**
**Brand:** FOOTOPPO
**Product Name:** Elastic Shoelaces
**Material:** Alloy/Polyester Yarn + Elastic Band
**Color:** Black/White
**Features:** Easy to use, durable, no tying required
**Suitable for:** Sneakers, casual shoes, canvas shoes, etc.
**Color Options:** Black shoelace with black buckle, white shoelace with white buckle
**Package Includes:** 2 pairs of white shoelaces with 2 white buckles, 2 pairs of black shoelaces with 2 black buckles
**Report Number:** A2240485527114C
**Testing Standards:** Fiber composition analysis (FZ/T01057.1-2007, FZ/T01057.2-2007, FZ/T01057.3-2007, FZ/T01057.4-2007, GB/T2910.1-2009)
**Test Results:**
- Fiber Composition: 60.0% polyester fiber, 40.0% elastane fiber
- Color Fastness to Dry Rubbing (GB/T3920-2008): 4-5 (customer requirement: â¥3)
**Installation Instructions:** Thread the shoelaces through the shoes, cut off excess length, attach the shoelaces to the buckle, and press to secure
**Additional Information:** Suitable for leisure shoes, sports shoes, sneakers, and other shoe types
**Color Options:** Classic black and white color combination
**Page Number:** 3 of 4
**Testing Content:** Fiber composition analysis, color fastness testing
**Sample Description:** White shoelace, black shoelace
(Note: The above specifications are based on customer requirements and testing standards.)