Kay-Dees Waterproof Sandal, Men's Fashion, Footwear, Dress Shoes on Carousell
New Zealand: History & Natural History - 'Kaydee', brown plastic sandals (are there any other colours?), were a popular footwear choice in New Zealand during the 1960s and possibly the late 1950s.
FS: Kaydees Fashion Sandals, Women's Fashion, Footwear, Sandals on Carousell
Kaydee T-Shirt Dress in Black | böhme
NWT! Crocs Women's Kaydee II Black Flip Flop Sandals - US Size 4 | eBay