This is pretty close to a single layer card. The washi tape is very thin so it doesn't add any bulk to the card.
Paper: Stampers' Select (PTI)
Stamps: Tiny Treats: Christmas (PTI)
Ink: Grass (A*Muse Studio)
Other: Copics RV14, YR15, YG23, Washi Tape- Summer Collection (A*Muse Studio)