**Product Specifications:**
**Brand:** FOOTOPPO
**Product Name:** Martin Boot Heel Sticker
**Features:** Prevents abrasion, prevents heel slippage, reduces shoe size
**Material:** Imported ultra-fiber leather, high elastic cotton, premium back glue
**Color:** Black/Brown Yellow
**Thickness:** 2.5mm/4.5mm
**Function:** Adjust shoe size, prevent abrasion
**Suitable for Shoe Types:** Martin boots, sports shoes, casual shoes
**Usage:** Suitable for children with growing feet, oversized shoes, heel slippage, hard shoes, worn-out heel of Martin boots
**Advantages:** Soft, comfortable, no foreign body sensation, precise edge grinding, no residue glue, strong adhesion
**Testing:** CTI Testing, MA, China Recognition, ilaC-MRA, CNAS, International Recognition
**Testing Report:** A2240394453107C
**Company:** Shanghai Rongmu International Trading Co., Ltd.
**Address:** Room 4231, Building 2, No. 293 Weichang Road, Jinshan District, Shanghai
**Testing Date:** July 4, 2024 - July 8, 2024
**Tested Item:** Heel Sticker
**Test Results:** Meets standards for dry friction color fastness and odor
**Detailed Testing Results:** Available upon request
**Note:** The above information is based on the provided content and specifications.