The UMP-45 | Day Lily skin was added to the game on the June 23, 2021 update as part of the Summer 2021 Collection.

This skin features a light pink and white floral pattern over the body of the UMP-45. The flowers depicted are stylized lilies with green stems and leaves.

• DefaultThe standard version of the skin
• StatTrakTracks confirmed kills with this weapon

As a pink themed skin for a popular SMG, the UMP-45 | Day Lily sees decent demand and trading among players.