2025 Jayco Jay Flight SLX 321BDS, This 2025 Jayco Jay Flight SLX 321BDS is outfitted with all the features you need for happy camping. Ready to be a proud Jayco owner? This 2025 Jayco Jay Flight SLX 321BDS is the perfect fit. If you re looking for a family RV, you ve found it: this rig sleeps 6.