Made from durable soft EVA Sponge padded material (EVA + Plastic)With Hard Plastic Plates Adjustable Straps, Helmet Size: all size,Color: Black, Fit for: Children, Material: Plastic, Nylon, Sponge,Fit palm girth: 14-16cm/5.5u2019u2019-6.3u2019u2019, Knee protector size:13X11cm/5.1u2019u2019X4.5u2019u2019(L*W), Total weight: 166g (not include thehelmet), Palm protector size:13x8.8cm/5.1u2019u2019x3.5u2019u2019(L*W)