Amazon.com : Chicago Boy's Adjustable Quad Roller Skate, Blue/Silver, Medium : Sports & Outdoors
Amazon.com : JajaHoho Roller Skates for Women, Holographic High Top PU Leather Rollerskates, Shiny Double-Row Four Wheels Quad Skates for Girls and Age 8-50 Indoor Outdoor (Size 5, Champagne Gold) : Sports
Amazon.com : PAPAISON Roller Skates for Women and Girls, Deluxe 2 Layer Microfiber Leather Double Row-Classic Roller Skates for Men, Professional Outdoor Indoor Quad-Skates for Kids & Adults : Sports & Outdoors