350 × 350
Source:https://www.target.com/p/girls-39-diana-slip-on-ballet-flats-cat-38-jack-8482-black-13/-/A-86795959
900 × 930
Source:https://www.amazon.com/POVOGER-Womens-Elegant-Ballet-Comfortable/dp/B0B127HC93
600 × 480
Source:https://www.stevemadden.com/products/ellison-black-leather
667 × 500
Source:https://www.massimodutti.com/us/flat-laceup-shoes-l11586250
1024 × 682
Source:https://anyasreviews.com/the-10-best-stylish-barefoot-dress-shoes-for-women/
500 × 500
Source:https://www.ebay.com/itm/165444176941
2000 × 2000
Source:https://orthoticshop.com/vionic-willa-womens-slip-on-flat.html
2748 × 1953
Source:https://www.teawithjaine.com/blog/best-dress-shoes-for-wedding-photographers
800 × 800
Source:https://m.made-in-china.com/product/Comfort-Black-Leather-Round-Toe-Dress-Shoe-Office-Women-s-Casual-Shoes-for-Ladies-Wedges-Non-Slip-Shoes-Upper-Synthetic-Leather-2010517975.html
1200 × 1200
Source:https://malaflats.com/products/alex-black-flats
