Exhibit 32.1

CERTIFICATION PURSUANT TO SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002 (18 U.S.C. Section 1350)

In connection with the accompanying Quarterly Report on Form 10-Q for the quarter ended September 30, 2022 (the “Report”) of Boxed, Inc. (the “Company”), I, Chieh Huang, as Chief Executive Officer, and I, Mark Zimowski, Chief Financial Officer of the Company, certify, pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, that, to my knowledge:

1.The Report fully complies with the requirements of Section 13(a) or 15(d) of the Securities Exchange Act of 1934, as amended (the “Exchange Act”); and

2.The information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of the Company.

Date: November 9, 2022	By:	/s/ Chieh Huang
	Name:	Chieh Huang
	Title:	Chief Executive Officer
		(Principal Executive Officer)

Date: November 9, 2022	By:	/s/ Mark Zimowski
	Name:	Mark Zimowski
	Title:	Chief Financial Officer
		(Principal Financial Officer)

The foregoing certification is being furnished solely to accompany the Report pursuant to 18 U.S.C. § 1350, and is not being filed for purposes of Section 18 of the Exchange Act and is not to be incorporated by reference into any filing of the Company, whether made before or after the date hereof, regardless of any general incorporation language in such filing.