Exhibit 99.1

JOINT FILING AGREEMENT

In accordance with Rule 13d-1(k) promulgated under the Securities Exchange Act of 1934, as amended, the undersigned hereby agree to the joint filing on behalf of each of them of a statement on Schedule 13D (including amendments thereto) with respect to the ordinary shares, par value $0.000067 per share of LightInTheBox Holding Co., Ltd., a company incorporated in the Cayman Islands, and that this agreement may be included as an exhibit to such joint filing. This agreement may be executed in any number of counterparts, all of which taken together shall constitute one and the same instrument.

IN WITNESS WHEREOF, the undersigned hereby execute this Agreement as of February 4, 2020.

IDG China Venture Capital Fund IV L.P.
By:	/s/ Chi Sing Ho
Name:	Chi Sing Ho
Title:	Authorized Signatory
IDG China Venture Capital Fund IV Associates L.P.
By:	/s/ Chi Sing Ho
Name:	Chi Sing Ho
Title:	Authorized Signatory
IDG China IV Investors L.P.
By:	/s/ Chi Sing Ho
Name:	Chi Sing Ho
Title:	Authorized Signatory
IDG China Venture Capital Fund GP IV Associates Ltd.
By:	/s/ Chi Sing Ho
Name:	Chi Sing Ho
Title:	Authorized Signatory
Chi Sing Ho
/s/ Chi Sing Ho
Quan Zhou
/s/ Quan Zhou