1200 × 800
Source:https://www.terrycosta.com/products/portia-and-scarlett-prom-dress-ps23519
1433 × 1024
Source:https://en.thebazilika.com/shop/knitted-dress-with-open-back-beige
2048 × 1536
Source:https://chintamanialchemi.com/products/black-linen-dress-long-bohemian-dress-organic-clothing-backless-asymmetric-dress-goddess-open-back-dress-high-low-linen-maxi-dress
800 × 800
Source:https://www.trendyunique.com/products/minimalist-twist-trim-deep-v-sleeveless-split-open-back-maxi-dress-black
2048 × 1536
Source:https://www.galialahav.com/product/julia
626 × 501
Source:https://egoshoes.com/clothing/dresses/backless.html
1200 × 600
Source:https://camillelavie.com/products/glitter-plunging-lace-up-back-dress-with-rhinestone-waist-41323-12003
2400 × 1600
Source:https://graceloveslace.com/products/martini
793 × 520
Source:https://www.curvyfashionchicks.com/product/chocolate-ribbed-knit-off-shoulder-low-open-back-maxi-dress/
1067 × 800
Source:https://www.temu.com/open-back-sequined-dress-elegant-split-long-sleeve-floor-length-dress-for-party-banquet-womens-clothing-g-601099513518697.html