children multifunctional stationery box pencil case pencil box wholesale primary school student 3d dinosaur large capacity eva waterproof

Children's multi-functional stationery box pen bag pencil case wholesale primary school students 3D dinosaur large capacity EVA waterproof
Material details:

1: Outer Material: PU, Jiaji cloth, Nylon (400D, 600D, 1200D, 1680D) and so on.
2: Intermediate Material: EVA
EVA material thickness: 4mm, 5mm, 6mm, 7mm depending on the pressure the product needs to withstand.
EVA material softness and hardness: 40-45 degrees, 45-50 degrees, 50-60 degrees, 60-65 degrees, 65-70 degrees, 70-75 degrees, and up to 80 degrees.
EVA material levels: C-grade, B-grade, A-grade
3: Inner Layer Materials: Jiaji Cloth, Velvet, High-grade Fake Leather Velvet, etc.
4: Edging Material: Can be selected according to customer's requirements.

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