Here are a few high-quality, SEO-optimized title options and the translated, enhanced description. I’ve focused on incorporating relevant keywords that potential buyers would search for.

Title Options:

1. Durable Polyester Glasses Strap with Adjustable Length
2. Secure & Universal Eyeglass Holder Cord for Sunglasses & Prescription Glasses
3. Heavy-Duty Glasses Chain with Reinforced Clips for Men & Women

English Translation & Enhanced Description:

Title: Durable Polyester Glasses Strap with Adjustable Length

Description:

Brand New & High Quality.

Type: Glasses Cord / Eyeglass Strap

Material: Premium Polyester

Color: As Shown

Length: 58 cm (Adjustable)

Features:

• Enhanced Durability & Secure Grip: Unlike other glasses chains, our sunglasses strap features reinforced, thickened rubber grips. These robust attachments are designed to prevent tearing even under strenuous activity, ensuring your eyeglasses or sunglasses stay securely in place and won’t slip off.
• Universal Fit for All Glasses: Perfectly designed to accommodate both wide and narrow eyeglass arms. These neck holders for glasses utilize a universal loop and clip system, making them compatible with virtually any pair of eyeglasses or sunglasses.
• Customizable Length & Comfortable Wear: With an adjustable length of 58 cm, you can easily modify our glasses cords to hang your eyewear comfortably around your neck or resting on your chest. Ideal for both women and men seeking a practical and stylish solution.

Package Includes: 1 x Sunglasses Strap

Please Note:

1. Colors may vary slightly due to differences in monitor displays.
2. Please allow for a 1-3 cm margin of error due to manual measurement.
3. Eyewear and props shown in images are for illustrative purposes only and are not included.

Thank you for your understanding.