This is a set of baby underwear. It includes a total of 8 pieces: 4 short undershirts and 4 combination undershirts. ① Mikihouse short undershirt ② Mikihouse short undershirt ③ Akachan no Shiro (Baby's Castle) short undershirt ④ Boribon oeuf organic cotton short undershirt ⑤ PUPO rail mesh combination undershirt ⑥ MUJI organic cotton combination undershirt ⑦⑧ UNIQLO combination undershirts The period of use was about 1-2 months. There was no spit-up, but there are yellow stains around the neck due to milk spills. There is also a feeling of use, so please understand before purchasing.