Baseball knee pads, 4 for knees, 1 for hips, 5 total. Sew-on type, color: white. Fabric: Jersey knit 4-tier smooth Polyester: 100% A quilt batting is inserted between the two layers. [Size] Knee Length: approx. 17cm (mm units omitted) Thickness: approx. 4mm-5mm [Size] Hip Length: approx. 17cm (mm units omitted) Thickness: approx. 4mm-5mm There are slight differences in length and width between left and right. Please understand the margin of error. These are handmade, so there may be some unevenness in the seams, misalignment, fraying, etc. Thank you for your understanding.