... 4:Made of High Neoprene Warm Life Jackets with Neoprene material 1)4.0 mm foam(SBR) inside2)100% CR overlock ... summary: Product nameNeoprene Life Jackets manufacturer at China Materialsoft feeling,durable,snug and waterproof ,Mold proof and quake-proof SizeStandard or ... inquiry:We can make all products ,which based on Neoprene material ,and your requirements and logo are welcome . Pls feel free ...