Description: Descriptions: These heel cups are hypoallergenic, non-toxic, non-flammable and odor free Great for heel ankle pain, plantar fascistic, heel spur, Knee and back pain etc Dual density heel cups providing maximum support and shock absorption, Washable and transferable Will not get warmer than body temperature Blue area is extra soft for greater cushioning of sensitive areas Non allergenic and dermatologist tested, providing flexibility and conforming to bony parts of the foot Very useful for any prolonged standing or walking activity A must have for sporting activities, especially where impact shock reduction is required Provides amazing support and comfort to your feet all day long Color: blue and transparent Material: gel silicone Dimensions: approx 10 x 6 x 1cm/3.93 x 2.36 x 0.39 inch Size: EU36-39 UK3.5-6.5 US6-9, Package includes: 1 x Pair of heel cup cushion