ABS plastic; In-ear headphones in compact square case; Headphones made of PU plastic cord with silicone earbuds and are approx 3.1l; Includes 3 different sized interchangeable buds for the most comfortable fit for your ear [Ear bud sizes: 039 (09cm), 043 (11cm), 047 (12cm)]; Cord wraps around the case to keep from tangling when not in use; Product Size: 2.75 w x 2.75 h x 0.75 d