The R4 DS Cartidge will be the same size as any standard Ds lite or Ds lite by nintendo game cartirge, so there is no bulging or sticking out once it's inserted into the cartridge slot on your NDS. https://pgslot.ag/%e0%b8%a3%e0%b8%b9%e0%b9%89%e0%b8%ab%e0%b8%a3%e0%b8%b7%e0%b8%ad%e0%b9%84%e0%b8%a1%e0%b9%88-%e0%b9%80%e0%b8%a7%e0%b9%87%e0%b8%9b%e0%b8%95%e0%b8%a3%e0%b8%87-%e0%b8%94%e0%b8%b5%e0%b8%81%e0%b8%a7%e0%b9%88/