Sell Gradient grade 1-6 backpack backpack for primary school students渐变色小学生双肩包儿童书包减负护脊书包1-6年级书包背包 best price

Material: polyester Popular element: Color gradient Number of shoulder straps: double Applicable gender: neutral/male/female Functions: breathable, waterproof, wear-resisting, anti-theft, anti-seismic, load reducing Weight | 550 ~ 650 g Size | Large: 43*32*13CM/ small: 40*30*12CM Internal structure: zipper pocket, mobile phone bag, ID bag, interlayer zipper bag capacity: 20-35L Applicable age: primary school Gradient · Series of fashionable bags, lightweight ridge protection layer large capacity. Fashion gradient series, sweet style of little princess, high appearance level/light weight reduction/anti-splashing water. Children "love" trend color matching, to meet different preferences/gradient blue/gradient purple/gradient red Scientific ridge protection, let children away from hunchback, ergonomic design, curve fit children's back, care for children's spine, healthy and comfortable shoulder, S-type breathable shoulder strap. Honeycomb breathable, conductive heat dissipation not stuffy, thickened honeycomb breathable design, always breathable heat dissipation, keep the back dry and comfortable, soft support back. S-type widened and thickened shoulder strap, not stuffy, thickened breathable design, always breathable and heat dissipation, keep, dry and comfortable, soft support shoulder. Four layer zipper bag, scientific hierarchical storage, easy to pack learning materials, help children to properly storage, storage and classification, to develop a good habit of tidy storage. Waterproof fabric, calm in rainy days, rainy days travel, high-density fabric to prevent rainwater from penetrating into the bag, protect the bag from being wet. The bag weighs only 650g. The lightweight bag is light and elegant. The bag only weighs 0.65kg, which is equivalent to two 500ml bottles of mineral water. 里料质地: 涤纶 流行元素: 撞色渐变 肩带根数: 双根 适用性别: 中性/男女均可 功能: 透气,防水,耐磨,防盗,抗震,减负 重量｜550~650g 尺寸｜大号：43*32*13CM/小号：40*30*12CM 包内部结构: 拉链暗袋,手机袋,证件袋,夹层拉链袋容量: 20-35L 适用学龄: 小学 渐变·系列时尚书包，轻便护脊区层大容量。 时尚渐变系列，小公主的甜美style，高颜值／轻减负／防泼水。 孩子『爱不释手』潮流配色，满足不同的喜好/渐变蓝/渐变紫/渐变红 科学护脊,让孩子远离驼背,人体工学设计，曲线贴合孩子背部，呵护孩子脊椎，健康舒适背负,S型透气肩带. 蜂窝透气,导流散热 不闷热,加厚蜂窝透气设计，时刻透气散热，保持,背部干爽舒适，柔软支撑背部. S型加宽加厚肩带,背负不闷热,加厚透气设计，时刻透气散热，保持,干爽舒适，柔软支撑肩部. 四层拉链袋,科学分层收纳,轻松装下学习物品，帮助孩子合理收纳,收纳归类，养成整齐收纳好习惯. 防泼水面料,从容面对下雨天,下雨天出行，高密度面料防止雨水渗透入包内,保护包内物品不被打湿. 轻盈不累肩,轻松舒适一整天,书包仅重650g,轻量化包体，轻盈优雅,小小的肩膀只背梦想不背重量,包包仅重0.65KG,仅相当于两瓶500ml的矿泉水的重量。