Share 'Rubi pearl cotton?'

Does anyone know much about his thread, by reputation or by actual experience using it? I've seen it advertised online, but I'm hestant to try it without knowing much more than the advertising claims, which are as follows: Here's what I've been able to find out: it's made by the Circulo Company of Brazil. The ads describe it as"100% mercerized and gassed cotton thread. Color-fast, 50 different c…