1080 × 1080
Source:https://www.shoppigment.com/products/tennis-ball-lavender-set-of-4
640 × 1000
Source:https://www.amazon.com/Glides-Precut-Walker-Tennis-Purple/dp/B00CF89ACE
2000 × 2000
Source:https://www.petco.com/shop/en/petcostore/product/petco-tennis-ball-dog-toy-in-purple
800 × 800
Source:https://bundlexjoy.com/products/bundle-x-joy-tennis-ball
1000 × 1000
Source:https://www.amazon.com/HENRY-DOTS-8-inch-Jumbo-Tennis/dp/B0CT9V7FW1
433 × 650
Source:https://store.ftlbmx.com/product/merritt-tennis-balls
1000 × 1000
Source:https://www.walmart.com/ip/Tennis-Ball-Glides-Pre-cut-Walker-Purple-Color-1-Pair/274417648
300 × 300
Source:https://www.alibaba.com/showroom/purple-tennis-ball.html
2560 × 2560
Source:https://www.amazon.com/RMS-Walker-Opening-Installation-Walkers/dp/B012U578R0
500 × 500
Source:https://www.bossgoo.com/product-detail/purple-tennis-ball-34359375.html