9pcs Four Four Button Bra Extension Button Elastic Underwear Extension Button Back Buckle Features: 9pcs four four button bra extension button elastic underwear extension button back buckle Material: polyester fibre Color: as the picture shows (Due to the difference between different monitors the picture may have slight color difference. please make sure you do not mind before ordering Thank you!) Package weight: 62g Package size: 16x12x3cm (Please allow 1-3mm error due to manual measurement. please make sure you do not mind before ordering.) Product Description: 9pcs four four button bra extension button elastic underwear extension button back buckle Material: polyester fibre Color: as the picture shows (Due to the difference between different monitors the picture may have slight color difference. please make sure you do not mind before ordering Thank you!) Package weight: 62g Elastic three and two buckles 3.2cm Elastic three and three buckles 5.6cm Elastic four and four buckles 7.6cm