The PB power bracelets we produce add a large number of anions, which is beneficial to us. OEM is highly welcomed! DescriptionModel:Silicone Power Band Material:enviromental friendly silicone Color:Black, clear, blue, brilliant blue, yellow, pink, white, red Size:XS/S/M/L/XL Package:power band with new box Usage:Improving balance, strength, flexibility, etc. Delivery:5-10days Shipping:EMS, Fedex, ...