There are two types: Single and Dual cavity. This set of eight, includes four of each: They can be intermixed to offer exactly the number of colors you prefer
Two detachable water containers act as a sturdy pedestal base that's great on uneven surfaces. They can even straddle a knee for hands-free use. Both have built-in brush rests
Both types of pan hold a genuinely useful amount of pigment: The Single cavity expansion pans have a similar capacity to a full pan. So they are ideal for frequently used colors. The Dual cavity pans each hold a little less than a half-pan, so they are well suited to specialty/accent colors
The Classic features twelve empty half pans (W&N size) that can hold your favorite liquid or solid colors, plus two folding palette plates with plenty of deep mixing wells
The pans come complete with reusable adhesive disks to secure them in the brush slot. Once installed, they look and feel like original equipment