LEATT GLOVE MOTO 2.5 X-FLOW MATCHA Glove size:XL Inside diameter is 20 mm

Inside diameter is 20 mm

so what does this mean

iPhone 8 Plus (Original CASE)

FRONT FENDER - BLUE-98 (OEM 22-23)

LEATT GLOVE MOTO 2.5 X-FLOW MATCHA Glove size:XL Inside diameter is 20 mmNew Finger Side stretch improved for abrasion and cut resistance. Super slim, 3D molded ReaFlex impact gel protection for: Knuckles FormFit finger stitching to give the best grip and feel MicronGrip palm Super slim with superior handlebar feel Excellent dry and wet grip Very durable New Stretch Stitch thread for seam strength Vented, Lite 360 stretch upper for better fit and breathability CE tested and certified as PPE according to Regulation (EU)