package deal
A group of many or various things sold together at a single, often reduced price. The spa has a package deal available that includes access to the pool and sauna, a 45-minute massage, and a facial treatment of your choice. They're offering a package deal where you buy three DVDs and get a fourth for free.
package deal
Fig. a collection or group of related goods or services sold as a unit. I got all these tools in a package deal for only $39.95. What about giving me all three shirts as a package deal?