PERFECT SOLUTION: For pet insulin, children learning diabetes independence, school nurses, the elderly, and anyone that worries about breaking an insulin vial. BUILT TO LAST:  Lightweight, reusable, easy on/off, durable, and great for travel. INNOVATIVE DESIGN: Protects ENTIRE vial to prevent shattering. Open top allows easy needle insertion without the need to remove from protective case. View label & vial contents at all times. PERFECT FIT:  This "SHORT" size Vial Safe fits Fiasp, Humalog, Humulin, Levimer, Lispro, Lyumjev, Novolin, Novolog, NovoRapid, Tresiba, Caninsulin, Vetsulin, Insulin Aspart. WHY VIAL SAFE?  Invented by a diabetic for diabetics. Provides a secure grip and protects vials from accidental drops and breakage… saving you the stress, expense, insurance nightmare and heartache caused by a broken insulin vial.