Unverified92% confidenceDecision RuleTime unknown

系带长度单侧应≤10cm，且系带宽度≥1cm（扁平织带优于细绳），避免细绳缠绕手指或勒伤颈部；GB 31701婴幼儿服装标准明确规定头颈部不得有任何系带

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Unverified儿童自主开合难易度看拉链头拉片：带加大环形拉片或织带延长拉绳的更易单手操作，但拉绳长度不得超过颈部尺寸的一半（GB 31701规定7岁以下头颈部禁用长于7.5cm的绳带）87% similar Unverified亲子家居服的领口、门襟等部位若有绳带，儿童款头颈部绳带长度须≤14cm（依据GB 31701），选购时优先无绳带或纽扣暗藏设计87% similar

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