Brilliatech clay ball BT-6046, it is a Pu applicator with clay pad.
clay pad can changeable for different use, like polishing, waxing, or removal clay bar ball......
same as blister, but the shape is different. color also a little bit different.
SONAX pictures are in high qality.
Brilliatech's Picture is not good. but the quality is good as Sonax.....

here is brilliatec magic clay bar ball.