900 × 600
Source:https://www.pgmdress.com/products/sheath-high-neck-sweep-train-open-back-lace-wedding-dress-with-split-wd397
1600 × 1600
Source:https://www.walmart.com/ip/Drawstring-Satin-V-Neck-Open-Back-Smocked-Satin-Slip-Dress-Women-s-Casual-Dress-White-XL/2980359205
880 × 550
Source:https://www.silkfred.com/us/womens/clothing/dresses/lace-dresses/nb-fashion-clothes/plunge-neck-open-back-maxi-dress-with-split-in-ivory-white-formal-white-dress-for-events-lace-wedding-guest-dress-backless-maxi-dress-glamorous-white-evening-dress-white-party-dress
500 × 500
Source:https://www.yesstyle.com/en/trisica-spaghetti-strap-square-neck-open-back-plain-midi-dress/info.html/pid.1105057837
900 × 600
Source:https://www.musebridals.com/products/simple-a-line-v-neck-open-back-long-sleeves-lace-wedding-dresses-with-split-mw410
1024 × 768
Source:https://www.morievent.com/products/a-line-halter-v-neck-open-back-burgundy-long-prom-dresses-with-high-leg-slit-backless-burgundy-formal-dresses-v-neck-maroon-open-back-evening-dresses
2462 × 1946
Source:https://www.glassslipperformals.com/products/copy-of-primavera-couture-4059-cocktail-dress-open-back-sequin-beaded-plunging-neckline-fitted-homecoming-cocktail-dress
1311 × 800
Source:https://www.lucyinthesky.com/shop/open-back-cowl-neck-dress-in-red-65573
570 × 570
Source:https://www.etsy.com/listing/1255962530/v-neck-crepe-wedding-gown-full-a-line
1200 × 800
Source:https://www.endource.com/product/karen-millen-compact-viscose-open-neck-corset-mini-dress/YmexGcnnfAAB8g3n