900 × 900
Source:https://www.amazon.com/FRACORA-Breathable-Leather-Loafers-Walking/dp/B08SK8S72C
768 × 768
Source:https://www.walmart.com/ip/TOWED22-Women-Flats-Womens-Flat-Shoes-Classic-Pointed-Toe-Flats-Knit-Dress-Shoes-Soft-Flats-for-Woman-Comfortable-Dressy-Beige/3204972545
1000 × 1500
Source:https://people.com/style/best-work-flats/
768 × 768
Source:https://www.walmart.com/ip/TOWED22-Flat-Shoes-For-Women-Women-s-Knit-Pinted-Toe-Dress-Flats-Comfort-Slip-On-Foldable-Ballet-Flat-Shoes-Soft-with-Bowknot-Black/3029722743
630 × 1200
Source:https://www.today.com/shop/best-work-flats-women-t225373
768 × 768
Source:https://www.walmart.com/ip/TOWED22-Womens-Flats-Women-s-Flats-Shoes-Comfortable-Memory-Foam-Dress-Shoes-Slip-On-Ballet-Flats-Low-Wedge-Work-Shoes-Brown/3953357590
900 × 1618
Source:https://www.amazon.com/Trary-Womens-DOrsay-Criss-Ballet/dp/B07SCKFMMG
669 × 1056
Source:https://rothys.com/blogs/the-loop/dress-flats-for-any-occasion
768 × 768
Source:https://www.walmart.com/ip/TOWED22-Flats-Shoes-Women-Pointed-Head-Ballet-Flats-Comfortable-Soft-Memory-Foam-Insole-Flat-Shoes-for-Women-Comfortable-Dress-Shoes-Dark-Blue/3464074619
900 × 891
Source:https://www.amazon.com/hash-bubbie-Ballet-Comfortable-Casual/dp/B08Z4HWXTD