Waxed Tackle Yarn Whipping Twine - White - 1.5mm x 32M- #15The #10 and #15 whipping twines from Robline are more heavily waxed and braided and will not unravel because of the flat, strong seam. Use #10 or #15 in heavy-duty applications.SpecificationsColor: WhiteLength: 104 ftSize: #15 HeavyType: Twine