SHENLONG 5PCS Adjustable Waist Extender,Button Extender for Jeans,Elastic Waist Extenders,Elastic Button Extender Pants Waist Extension for Trousers Jeans Pants Slacks Pregnant Trousers(black). There is no need to sew the waist retainer on the pants or belt, just insert the button into the slit of the waist retainer, and then secure the waist retainer button through the pant hole.
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