1280 × 1280
Source:https://lopeshops.gcu.edu/gcu-purple-pet-tennis-ball/
262 × 475
Source:https://www.cwimedical.com/walker-tennis-balls/walker-tennis-balls-dmi-wtb
3500 × 3500
Source:https://www.petco.com/shop/en/petcostore/product/leaps-and-bounds-soft-tennis-ball-assorted-dog-toy
1080 × 1080
Source:https://www.shoppigment.com/products/tennis-ball-lavender-set-of-4
600 × 600
Source:https://www.mobility-aids.com/penco-walkerballs.html
500 × 500
Source:https://www.bossgoo.com/product-detail/purple-tennis-ball-34359375.html
1157 × 1600
Source:https://www.ebay.com/itm/254505028119
360 × 360
Source:https://www.globalsources.com/product/customized-mix-color-tennis-ball-bulk_1063238301f.htm
934 × 894
Source:https://www.amazon.com/JY-CLASSIC-Practice-Squeaky-Bag-%EF%BC%88Purple%EF%BC%89/dp/B0CH9M29W1
360 × 360
Source:https://www.globalsources.com/product/tennis-ball_1180781614f.htm
