Features:              1& 12289;Free your pets and build confidence:  Helps to prevent painful bumps from running into walls, furniture, and other obstacles              2& 12289;Lightweight and Flexible: Hollow belt, breathable and comfortable,it comes attached to the vest or harness              3& 12289;Keep mobility& 65306;Light weight with foam material ,easy to bend,Helps blind dogs to retain mobility and live normal daily life activities. 4. According to the size of the pet, choose the right vest to help pets with poor eyesight, such as trachoma, glaucoma, cataract, retinal disease, trauma, etc.                            Parameters& 65306;              Material: EVA foam              Applicable object: cat and dog              Function: prevent blind pets from colliding              Size(approx.):              XXS: nose distance ≤ 25cm; bust 30-55cm              XS: nose distance ≤ 35cm; bust 38-62cm              S: nose distance ≤ 40cm; bust 42-80cm              M: nose distance ≤50cm; bust 45-90cm              L: nose distance ≤ 55cm; bust 50-95cm                            Packing list:              1*Blind pet collision ring              1*Introduction