1. Impact records2. Low power reminder3. 360 degree rubber coat: super durable, rugged enough to withstand 15 meter one time, 3 meter 50 times4. Waterproof&Shockproof: IP67
Washed goose down & feather solutions, 500 to 900+ Filling Power for your choices. Pure nature, high filling power, good thermal insulation and high cleanness and hypo-allergy...