Riforla Women s Deep V Gathered Bra Hanging Neck Beautiful Back U Shaped Open Back Bra Black 70C

What are the washing instructions for this bra? Can you provide more information about the push-up function of the bra? Are there any size charts available to help choose the right size? Size chart: Size:70A Bust:77.5-82.5cm/30.51-32.48 Under Bust:67.5-72.5cm/26.57-28.54 Size:70B Bust:80-85cm/31.50-33.46 Under Bust:67.5-72.5cm/26.57-28.54 Size:70C Bust:82.5-87.5cm/32.48-34.45 Under Bust:67.5-72.5cm/26.57-28.54 Size:70D Bust:85-90cm/33.46-35.43 Under Bust:67.5-72.5cm/26.57-28.54 Size:75A Bust:82.5-87.5cm/32.48-34.45 Under Bust:72.5-77.5cm/28.54-30.51 Size:75B Bust:85-90cm/33.46-35.43 Under Bust:72.5-77.5cm/28.54-30.51 Size:75C Bust:87.5-92.5cm/34.45-36.42 Under Bust:72.5-77.5cm/28.54-30.51 Size:75D Bust:90-95cm/35.43-37.40 Under Bust:72.5-77.5cm/28.54-30.51 Size:80A Bust:87.5-92.5cm/34.45-36.42 Under Bust:77.5-82.5cm/30.51-32.48 Size:80B Bust:90-95cm/35.43-37.40 Under Bust:77.5-82.5cm/30.51-32.48 Size:80C Bust:92.5-97.5cm/36.42-38.39 Under Bust:77.5-82.5cm/30.51-32.48 Size:80D Bust:95-100cm/37.40-39.37 Under Bust:77.5-82.5cm/30.51-32.48 Size:85C Bust:97.5-102.5cm/38.39-40.35 Under Bust:82.5-87.5cm/32.48-34.45 Size:85D Bust:100-105cm/39.37-41.34 Under Bust:87.5-92.5cm/34.45-36.42