Beibi Baby Knee Socks, Pure Cotton, Autumn Season, Newborns, Small Age Infants, Long Tube Leg Guards, Infant Crawling, Non-Binding Legs

New upgrade, full series renewal, 100% pure cotton series, antibacterial and mite-proof, excluding * elastic fibers. Fountain sock mouth, fits without marks, high toughness++, 1.15 times, T, elasticity+++, pieces, 3.77 times. Mother and baby class A, safe without fluorescent agents, non-irritating, no fluorescent agents, no allergens, compliant with Class A mother and baby standards, Class B, mother and baby class A, Class C, can be directly in contact, cannot be directly in contact with skin, newborn baby skin, in contact with skin. Attention to detail, environmentally friendly active printing and dyeing, high elastic sock mouth without leg constriction, 00, no pilling resistance level 4-5, safe without fluorescent agents. Select size, 3, mlnlnlnl, measurement method: first, place a piece of paper for the baby to step on, make a mark on the front and back of the paper with a pen. Then, measure the length of the front and back of the paper with a ruler. Size quick selection table, unit: cm, size, suggested foot length, suggested shoe size, suggested age, -1, 6-8, <16, 0-5 months, -2, 9-11, <16, 6-12 months, E-, 12-14, 16-20, 1-2 years old, -4, 14-16, 21-24, 2-3 years old, -5, 16-18, 25-27, 4-6 years old, -6, 18-20, 28-31, 7-9 years old, -7, 20-22, 33-37, 10-12 years old, -8, 22-24, 38-42, >13 years old. Concerns of mothers: Q1, will it kick off/tighten the legs? BEI BI brand uses American Lycra soft technology to make the sock mouth soft and fit the legs, effectively avoiding leg constriction and slipping. Q2, will it make feet stuffy? The honeycomb mesh design made of combed high-count cotton yarn is breathable and refreshing, preventing foot stuffiness. Q3, will it pill? After friction testing, BEI BI brand children's socks have a pilling resistance level far higher than the industry standard.