is_customized : YesCertification : NONEDensity : hige densityModel Number : 1pcsMaterial : PolyurethaneSize : 50x200cmType : Sealing StripsNote: Due to the large size of the product, we ship it in compressed packaging, which may cause deformation of the product. Once you receive the product, just open the product and leave it in a ventilated place for 1-2 days and the product will return to its perfect shape. Or use a shower to wash the product, and it will quickly restore its perfect shape after drying.Thank you for your understanding and support.Feature:-Soft sponge, dust-free,high density;-Flame Retardant, Self-adhesive-Sound effects, suitable for studios and KTV, etc.;Product application principle: Use the open-pored structure to increase its sound absorption capacity and optimize its internal porosity, reduce the interference and reverberation of indoor reflected sound, improve the purity of the sound, adjust the indoor sound field and reverberation, and make the sound pleasant to the ears.Specification:Material: spongeSize: 50X200cmThickness: 2/3.5cmColor: black/blue/yellow/purple/grey/redApplicable to: Home decoration wall, widely used in recording studios, recording studios, audio-visual rooms, audio-visual rooms, piano rooms, drum rooms, anchor rooms, home theaters, KTV, soundproof rooms, conference halls, studios, broadcasting rooms, theaters, etc. Interior decoration of the occasionPackage Included:1x acoustic foam