baby stroller wheel Material: EVA tread,PP core Diameter: 6,7 Hole Dia.:M6/M8 Color: black ,navy baby stroller wheelItem no.BSW-1Material: EVA tread,PP coreDiameter ... : 6,7Hole Dia.:M6/M8 Color: black ,navyQuite in operation,stable, durableUsed for baby stroller,toy wheel,luggage cartOEM ... feel free to contact us if there are any questions. EVA Baby Stroller Wheel