cuff 10 has the appearance illustrated in fig3 and 5 and has a width equal to the recommended 0 4 or 40 of the circumference of the limb on which the blood pressure is to be measured in the folded condition 50 of the material of loop strips 20 of first surface 16 which is folded against itself is in contact with 50 of the corresponding hook strips to produce a secure yet removable fold retaining means for the adjustment of the width of the cuff 10 further as shown in fig5 a folded over portion 15 is formed comprising four bladder layers and four hook and loop fastener layers in the area where the cuff is folded over itself an inflation chamber i is disposed between the layers of the bladder 12 and has a width substantially the width of the folded cuff as shown in fig5 once the cuff 10 has been folded to the appropriate width in proportion to limb circumference the cuff is then ready to be wrapped around the limb of the patient preferably a portion of the second surface 18 as shown in fig5 is placed against or faces the limb of the patient and a portion of the first surface 16 together with the folded over portion 15 faces outwardly away from the limb of the patient alternately the cuff may be inverted and applied with the folded portion confronting the limb of the patient as shown in fig4 the folded cuff 10 is then wrapped about the patient 39 s limb and is fastened in place by contact between the hook.