Drop Stop is constructed out of black Neoprene filled with polyester fiberfill and is about 17 inches long. It has a slot sewn into it where the seat belt latch can fit through. This anchors the device, allowing the car seat to slide back-and-forth freely. According to Newburger and Simon, the space between the center console and the front seats is always in dark shadow and thus the black color of Drop Stop matches any car's interior. Provided that the gap between a car's center console and seat is less than 3.5 inches, Drop Stop should fit. However, some cars, for example the BMW M3 and Volkswagen Jetta, don’t have enough space in the gap to fit the Drop Stop in place.
The idea was born after Newburger dropped a mobile phone down the gap while driving and almost caused a serious accident trying to retrieve it. Inventors Newburger and Simon worked with T2 Design & Prototype of Santa Monica, California to develop a prototype for their car safety device. 
Drop Stop was featured on a segment of The Marilyn Denis Show entitled "The Best As Seen on TV Products". Drop Stop was also featured on ABC's The View on a special Shark Tank episode where the product was introduced by Lori Greiner alongside the inventors. First airing on March 29, 2013, Newburger and Simon appeared on Shark Tank where they made a deal with Greiner for 20% equity in Drop Stop for $300,000. On a followup episode of Shark Tank airing on November 22, 2013, Drop Stop announced a $2,000,000 purchase order with Walmart. On March 19, 2014, Newburger and Simon were featured with their invention on The Queen Latifah Show where they were referred to as "some of Lori’s most successful inventors." On a second followup episode of Shark Tank airing on December 5, 2014, it was announced that Drop Stop was now available for sale in Bed Bath & Beyond in a "Lori Greiner Shark Tank" branded display.
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This neoprene wedge has a slot that fits around the seatbelt buckle, and it moves with the seat, so it won't become the gap's newest victim if you need to move forward a few inches.
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Shark Tank‘s Lori Greiner and Queen Latifah caught up with some of Lori’s most successful inventors — the creators of “Drop Stop” Jeffrey Simon and Marc Newburger, and the creator of “CordaRoys” Byron Young.
- Baumgarten, Carolyn (14 December 2014). "Recap of Shark Tank Season 6, Episode 11". In The Shark Tank. Retrieved 29 December 2014.
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