Manufacture blank silicone wristbands . 
1 ,Sizes. .any  size is accepted. for example:   circumference (210 202,200, 190,180,170,160 or 150 mm). width (48, 24, 20, 18, 12, 10, 6 ) . thickness:2.5, 2 or 1 mm

2 .Pricing: 0.05--0.3/pc by different sizes and order quantity.
    
3. color reference---Pantone color Chart.