summer training underwear leak-proof washable waterproof pure cotton yinbao men's summer hollow thin

hollow blue hollow-out yellow beige openwork hollow white hollow green hollowed purple porous pink printed porous pink rabbit printed hollow-out big green dinosaur printed hollow small green dragon printed hollow white planet printed hollow white astronaut printed hollow blue planet printed hollow blue bear printed hollow-out yellow lion printing porous pink full printing printed hollow white dragon 3 pairs/pack hollow print white group 3 pairs/pack hollow print green group 3 pairs/pack hollow print pink set 3 pairs/pack hollow print blue group 3 pairs/pack hollow printed yellow and white group

size s (recommended for babies within 0.00 kg-9.00 kg) size m (recommended for babies within 8.00 kg-12.00 kg) l? (recommended for babies within 9.00 kg-18.00 kg)