graphene quilt winter quilt self-heating thickened warm duvet insert dormitory single autumn & winter quilt 2025 new cotton quilt

black [graphene small black quilt quick warming black technology]] upgraded model-black [graphene ratio increased, soft and warm black technology]] white【 graphene white quilt quick warming black technology]] upgraded-white【 graphene ratio increased, soft and warm black technology]] pink [graphene small powder is quickly warmed black technology]] upgraded model-pink [graphene ratio increased, soft and warm black technology]]

150 x200cm quilt for spring and autumn [about 2.00kg_suitable for room temperature 10-20 ℃]] 150 x200cm autumn & winter quilt [about 3.00kg_suitable for room temperature 0-10 ℃]] 200 x230cm autumn & winter quilt [about 3.00kg_suitable for room temperature 11-20 ℃]] 200 x230cm winter quilt [about 4.00kg_suitable for room temperature 5-10 ℃]] 220 x240cm winter quilt [about 4.00kg_suitable for room temperature 5-10 ℃]] 220 x240cm extra thick winter quilt [about 4.50kg_suitable for room temperature below 0 ℃]]