This is a set of 7 single-layer undershirts. All are 100% cotton. 5 are size 50 2 are size 50-60 Brands include CELEC, Akachan Honpo, and Nishimatsuya, among others. Some have slight milk stains around the neck, but they can still be worn. Designs include blue border, baby toy pattern, bear pattern, Winnie the Pooh and Tigger, yellow border, and Snoopy. #KEN_BOX Other features: Front opening Colors: Blue系 (blue tones) Yellow系 (yellow tones) Blue Light blue Yellow For boys