dust and Made in Japan Single Use of feathers down processing to Cleanliness 1000mm Cleansing Down Ivory [Le [Yamazen]

[Sustainable duvet with attractive heat retention and cleanliness] We collect duvets from all over the country and select only high-quality feathers that are 85% or more down. It has been washed to twice the cleanliness specified by the Japan Feather Products Cooperative, making it cleaner than new wool. Yamazen's sustainable duvet, which is attractive for its heat retention and cleanliness, has recorded a value that is comparable to high-end duvets (made with 93% Mother Goose) in a heat retention test conducted by a third-party organization. Cleansing Down.” [Carefully finished by skilled craftsmen at a long-established Japanese factory] Sorting, cleaning (using natural water), power-up processing, and filling are performed at a long-established partner factory in Shizuoka that has been in business for 61 years. We have a testing room within our factory, so under thorough quality control, only products that meet high standards are carefully selected and produced with care. [Down-proof treatment to prevent dust mites and feathers from blowing out] Down-proof treatment increases the density of the fabric, keeping dust mites at bay and preventing feathers from blowing out. ●Body size: Single (width 150 x length 210cm) ●Body weight: 1.75kg ●Down power: Equivalent to 350DP ●Bulk height: 145mm ●Down rate: 85% ●Cleanliness: 1000mm (2 determined by Japan Feather Products Cooperative Association) (more than double the cleanliness) :85% polyester + 15% cotton ●Filling: 85% down + 15% feather (filling amount approx. 1.0kg) ●All Yamazen products handled by TSE Prime Co., Ltd. are manufactured to JIS standards by our company or a third-party organization. We conduct quality tests based on the following.