The ultimate summer comforter using innovative technology for durable cool sensation to make restless humid summer nights more comfortable! “BRAIN SLEEP COMFORTER PERFECT COOL”

Brain Sleep Co., Ltd. has developed BRAIN SLEEP COMFORTER PERFECT COOL, （ “Perfect Cool,”） which provides the ultimate coolness and comfort that lasts from bedtime to morning, during the summer season when the heat and humidity makes us difficult to sleep.

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