Jorge Sebastian Alvarado pleaded guilty to possession with intent to distribute at least five kilograms of cocaine and was sentenced to 120 months in prison. He appeals the district court’s denial of his motion to suppress evidence that he contends was unconstitutionally obtained during a traffic stop. We agree with the Government that Alvarado waived his right to appeal this issue by entering an unconditional guilty plea.

A voluntary and unconditional guilty plea waives all nonjurisdictional defects in the prior proceedings, including the right *952 to raise any further objections based on a district court’s denial of a motion to suppress. United States v. Stevens, 487 F.3d 232, 238 (5th Cir. 2007). Although a defendant may plead guilty conditionally and preserve appeal rights, the plea must be in writing, must have the consent of the prosecution and approval of the court, and must explicitly designate the issues being preserved for appeal. Fed.R.Crim.P. 11(a)(2); United States v. Wise, 179 F.3d 184, 186-87 (5th Cir. 1999).

There was no written plea agreement in this case. In addition, there is no other evidence in the record that Alvarado expressed an intent to appeal the denial of his motion to suppress such that any technical noncompliance with Rule 11(a)(2) might be excused. See Stevens, 487 F.3d at 238. As the record lacks any evidence of a reservation of rights, Alvarado may not appeal the district court’s suppression ruling. See Wise, 179 F.3d at 187.

AFFIRMED.