1.Package includes:1pcs amblyopia eye patch with an EUBUY Fridge magnet 2.Material: Silk Soft,makes your eye feel comfortable and relaxed. 3.Patch Size(Approx.):3.14" x 2.55" /8 x 6.5cm (Width x Hight) 4.Adjustable head strap,easy to use:Fully adjustable strap from 13 inches to 25 inches. 5.Training the lazy eye to work properly,use for one eye care and shield.