Yuxin 1525 is the item number for flagship HuangLong series 5x5x5 cube, which weighs 146g and is in the size of 63mm. It is a magnetic cube with high anti-POP property due to its double-layer and-POP structure, and the unique color scheme makes it an idea stickerless 5x5x5 cube for speedcubing. HuangLong, flagship cube series of Yuxin cube, is proceeded with the top-grade standard for competition and collection. And we are producing cubes over 10 series, welcome to send us an inquiry for further discussion.