Perineal Warm & Cold Pads: These pads are highly absorbent so they don't need to be changed as often. The result-less bother for the patient, less labor for the nurse. Cold pads are applied intermittently for 36-48 hours after delivery. Warm pads are applied for 3-4 days after perineal cold therapy. Premium pads have an hourglass shape with tape tabs at front and back for secure placement. Deluxe pads include adhesive strip. Standard Cold Pad 4.5 X 14.25 Expiration: Betty Mills guarantees this item will not expire within 60 days of receipt or we will ship you a replacement item at no cost.