This unique baby rattle dumbbell by Buff Baby, turns Poshinate kiddos into pretend, bench-pressin' body-builders! Your little one's curiosity will be piqued by the gentle rattle sound and natural hand-grips, while your sense of irony will be satisfied by watching Baby do 3 sets of 10. So...work it, baby! The baby rattle dumbbell is 5 1/2" x 2", contains no phthalates, no BPA, and is safe for baby.