Band skyphoi are a specific form of ancient Attic

Attica

Attica is a historical region of Greece, containing Athens, the current capital of Greece. The historical region is centered on the Attic peninsula, which projects into the Aegean Sea...

 vase. They are a hyprid between conventional skyphos

Skyphos

In classifying the pottery of Ancient Greece, a skyphos is a two-handled deep wine-cup on a low flanged base or none. The handles may be horizontal ear-shaped thumbholds that project from the rim , or they may be loop handles at the rim or that stand away from the lower part of the body...

and band cup

Band cup

Band cups are a form of ancient Greek Attic Little-master cups.The lip of a band cup is black and slightly concave. At the joint between vase body and foot, there is often a red ring. The external figural decaration is in the area of the handles, often framed by palmettes. Internal images and...

. The shape of the skyphos is combined with decorative scheme of band cups.
In terms of their shape, band skyphoi are somewhat squatter than the skyphoi of the Komast Group

Comast Group

The Comast Group was a group of Attic vase painters in the black-figure style. The works of ist members are dated to between 585 and 570/560 BC....

. As on band cups, their lips are concave. They tend to be of lower quality than cups. The fact that not a single band skyphos has so far been found to be signed indicates that the producers were aware of that difference. There are a number of further related shapes. For example, the Hermogenic skyphos (named after the potter Hermogenes

Hermogenes (potter)

Hermogenes was an Attic potter. He was active in Athens in the mid-6th century BC and belongs to the group known as the Little masters.Hermogenes mainly produced cups . Well-known are his Band cupss with depictions of women's heads on the band. The Hermogenic skyphos, a specific type of skyphos...

), produced in a similar fashion to Komast Group skyphoi, but with very fine thin walls and slightly flayed lips. The Amasis Painter

Amasis Painter

The Amasis Painter was an ancient Greek vase painter of the black figure style. He owes his name to the fact that eight of the potter Amasis's manufactured marked work are painted by the same painter, who is therefore called the Amasis painter...

added a red stripe each on the exterior and interior surface to the conventional decoration.