v3.26.1
Cover
Jun. 22, 2026
Document Type 8-K
Amendment Flag false
Document Period End Date Jun. 22, 2026
Entity File Number 001-43126
Entity Registrant Name Willow Lane Acquisition Corp. II
Entity Central Index Key 0002083946
Entity Tax Identification Number 37-2213855
Entity Incorporation, State or Country Code E9
Entity Address, Address Line One 250 West 57th Street
Entity Address, Address Line Two Suite 415
Entity Address, City or Town New York
Entity Address, State or Province NY
Entity Address, Postal Zip Code 10107
City Area Code 646
Local Phone Number 565-3861
Written Communications false
Soliciting Material false
Pre-commencement Tender Offer false
Pre-commencement Issuer Tender Offer false
Entity Emerging Growth Company true
Elected Not To Use the Extended Transition Period false
Units, each consisting of one Class A ordinary share and one-fourth of one redeemable warrant  
Title of 12(b) Security Units, each consisting of one Class A ordinary share and one-fourth of one redeemable warrant
Trading Symbol WLIIU
Security Exchange Name NASDAQ
Class A ordinary shares, par value $0.0001 per share  
Title of 12(b) Security Class A ordinary shares, par value $0.0001 per share
Trading Symbol WLII
Security Exchange Name NASDAQ
Redeemable warrants, each whole warrant exercisable for one Class A ordinary share at an exercise price of $11.50  
Title of 12(b) Security Redeemable warrants, each whole warrant exercisable for one Class A ordinary share at an exercise price of $11.50
Trading Symbol WLIIW
Security Exchange Name NASDAQ