| 摘要 |
A length-adjustable strap for glasses includes a strap body, two coupling elements connected at rear ends to two opposite ends of the strap body and at front ends to two end pieces of a pair of glasses, and a slide movably mounted on the strap body. Each of the coupling elements is made of a soft rubber material and formed at the front end with an inward tapered bore for tightly binding around the end piece of the glasses. The slide may be moved along the strap body to adjust a total length from the slide to the two opposite ends of the strap body to thereby fitly fasten the glasses to a user's head when the user is taking exercise or engaging in some game. Or, the slide may be moved reversely to loosen the strap body for the user to remove the glasses.
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