The Easy Open Red Vials 4 Pack include 4 medium sized vials that can be opened and closed with one hand. The top on these plastic vials pops open when squeezed on the sides along the top where the arrows are. Each package includes four red colored bottles that easily open for handicapped, elderly, or people using one hand. For people with limited hand or finger strength, the vials can be opened by positioning both thumbs on one side while pushing the opposite side against a counter top. These Red Easy Open Vials hold 30 drams or 1.87 oz, and measure 2-3/4 inches tall, 2 inch diameter. The lid stays attached which prevents it from being dropped or lost. Easy Open Vials are made of BPA free, polypropylene plastic. Easy Open Red Vials 4 Pack Specifications: Made in: USA. Color: Red. Material: BPA free plastic. Capacity: 30 drams, 1.87 oz. Measures: 2-3/4 inches tall, 2 inch diameter. Includes: 4 Easy Open Red Vials.