... ,25mm,30mm,35mm,40mm...........Thickness11.5mmShapeSemicircleFOB priceUSD $0.1-0.5/PCSPortShanghai/Ningbodelivery time10-15 days after you place the orderPaymentL ... rubber may as customer's requirement (4)Safe for children (5) Widely ues as advertisement, intellectual puzzles, writing board, notipads (6 ...