This is not a victoria's secret pink item but they make it seems as if it is on amazon.
listing:
pink lanyard for keys
Neck Lanyard Strap for Keychains ID Holder Phones Bags with Quick Release Buckle (3pack-C)
Brand: Toufftek
Amazon item AISN:B07XYSTLVQ
https://www.amazon.com/Lanyard-Fashion-Keychains-Accessories-Release/dp/B07XYSTLVQ
Manufacturer : Reapedon
Amazon ASIN : B083418R3Y
