The Hat Size Reducer are made of foam, and adhesive, soft and durable, lightweight, with shock absorption buffer and heat insulation effect, will not cause discomforts to your skin and dries quickly. The Hat Size Tape also can attach to other surface, such as leather, felt, straw and so on, place hat size reducer between the hat and the sweatband or the sweatband and the head, let you wear the cap comfortably.
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