The CourierBag Deluxe holds approximately 40 records or 35 when a laptop is inside. The CourierBag Deluxe is build with firmness in mind and can be combined with any UDG trolleys. Fits: Pioneer DDJ-WeGO 3/ 4, Ableton Push/ 2, NI Maschine Jam, Reloop Jockey 3 Remix, Mixage IE, Akai APC40 MK2, Hercules DJConsule 4-MX or similar size controllers