Desk-pet erasers are made from a mix of materials: many use rubber; some sets use PVC or vinyl; and a few combine a plastic body with a soft, flexible rubber eraser.

Sizes vary by design. Examples from listings include about 1.25 × 1 inches, 2 × 1.13 inches, 1–1.5 inches for some character erasers, 1 inch for certain pencil toppers, and roughly 3.25 inches for retractable models.

Product descriptions indicate these novelty desk-pet erasers effectively remove pencil marks. Several listings specifically note they erase marks without leaving residue.

Listings describe retractable cat-paw erasers as having a plastic body with a soft, flexible rubber eraser, operated by a push–pull side clicker to extend and retract the eraser. Retractable models are compact—around 3.25 inches long—for easy storage.

Pack sizes range from single pieces to large multi-packs. Observed counts in listings include 1, 4, 6, 12, 30, 36, and 72 pieces.

Common features include 3D puzzle-style designs that can be disassembled and reassembled, built-in cleanup rollers that collect shavings, retractable push–pull mechanisms to protect the eraser, and soft, flexible rubber or plastic bodies.

Many erasers are sold in multi-packs and are promoted for party use; some sets are individually wrapped. Descriptions commonly list uses such as party favors, goodie-bag fillers, and stocking stuffers.

Common designs emphasize colorful animal shapes and themed kits. Typical colors include pastel cat-paw shades (pink, white, aqua, peach) and seasonal or festive palettes such as red, gold, and white.

Descriptions commonly suggest secondary uses like decorative “desk pets,” party favors or goody-bag fillers, classroom prizes or treasure-box toys, and small gifts or stocking stuffers.