Specifications Color: Open, plans to order samples material: ordinary sponge, special hard sponge, medium hard sponge, ultra-soft sponge, cotton fire, anti-static cotton Packing: plastic bag / carton Product performance: The products are acoustic (noise), cushioning, shock absorption, fire prevention, anti-static, insulation and other functions, is widely used in measuring the sound room and packed inside the box, can effectively absorb sound waves and reflection, and the bag of items carried Effective protection through a variety of shapes crest sponge, high and low peaks, making the formation of absorption and reflection of audio differences, mainly used to absorb noise, low-frequency suppression have a good effect, so as to achieve a good acoustic insulation effect, is home decoration , electronic audio-visual material of choice, Gaozao sound industrial sector. MOQ: 3000 MOQ, large price better advantage: independent manufacturers, competitive price, quality assurance and quality service to welcome the major businesses and request a free customized template