1. including：4*2kg barbel+4*1.25kg barbel+4*0.5kg barbel+2 pieces barbell bar+4 pieces bolts+2 pieces wrench+1 piece connecting bar；
2. no semll, and it's environmental materials；
3. there's non-slip adhesive in the barbell bar, it is safe；

4. you can make up them by different kinds of barbell, it meets differnent people's needs