Get more space to put your stuff while in your car. This seat gap organizer comes in 2 lengths, 250mm and 200mm. If you want an extra cup holder you can print it and match the cut out to the organizer body. The cup holder has an insert for soda cans and water bottles, remove it to fit lager cups. The insert was printed with SainSmart BlueTPU with 0% infill. The bottom part that goes into the seat gap has slots for nuts and needs to be bolted to the main body, I used #8 machine bolts and nuts to attached them together. Theres is 2 different width sizes for the bottom part, 18mm and 25mm, choose the one that fits better in your car. If you decide not to use the cup holder, there is a part that you can installed instead of the cup holder. the part is call cup holder blank. There is a hole in the bottom of the main body for your phone charging cable. Filaments with high glass transition temperature recommended to withstand the heat of the summer inside the car. I printed mine with 2 different layer colors to match the trim of my car. Printed with .4 nozzle and .2 layer and 15% infill with Prusament PTEG settings. Print the whole organizer in mirror if you want to put another one on the passenger car.