Dymo rhino pro heat shrink tubing sleeves black on white product description heat shrink tubing is a non adhesive yet permanent polyolefin solution simultaneously to identify and protect your wiring and cables flame retardant and 31 shrink ratio meets mil m 8153 mil std 202g sae dtl 230535 class 13 amp ul recognized as a component to ul 224 main specifications product description dymo rhinopro heat shrink tubing heat shrink polyolefin sleeves product type heat shrink polyolefin s