5cm dia, fill with water inside, recycle plastic, soft & squeezable, with or w/o 22cm Yoyo line, diffeent color available, 1. made in TPR material, a kind of Rubber, no-toxic & Phthalate free.2. soft and good squeezable capability.3. 50mm diameter size, another bigger size is 65mm.4. with or w/o Yoyo line is workable.5. another styles for tennis, basketball, baseball, golf.6. Logo printing on the ...
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