A splint product in roll form for being dispensed in predetermined lengths suitable for a given medical use, comprising: (a) an elongate sleeve (21) formed of moisture-impervious material and sealable to prevent entry of moisture (b) an elongate medical material (22) positioned in said sleeve and sealed therein against entry of moisture until use, said medical material comprising: (i) a substrate (23) (ii) a reactive system impregnated into or coated onto said substrate and (iii) a soft, flexible, protective tubular wrapping enclosing said substrate (23) along its length to provide a cushioning barrier between the substrate (23) and the skin of a patient when the material is in use and (c) means for resealing said sleeve (21) against entry of moisture after a predetermined length of said bandaging product has been dispensed for use to prevent hardening of said substrate (23) remaining in said sleeve (21).
