Customer Service:We are happy that you choose the Vilmon tech,if you have any question or unsatisfied,please feel free to contact our service,we will answer your question and solve your problem within 24H. Simple Package:Adoppted the simplest packaging, no printing or printing, materials can be recycled and shared for environmental protection. Each box contains a power core cover, length 4ft. 2.3mm Thick:Made of the hight quality PVC which is flexible and durable.2.3mm thick electrical cord covers for the floor,better protect the wire from damage,the load bearing of this floor cable cover is about to 440 pounds. Special Design for Anti-slip:Each cable floor cover has several anti-slip line prevent people from slip down by the cord protector,and the height of the cable cover is 0.43in,quiet simple for wheel to roll over.The floor cord cover arch design make itself body more strength and tough. No Adhesive Tape But Flatten and Staight:The floor wire cover packaged uncoil and lying totoally flat on the floor so that there is no need of the adhesive or boiling water.Easy come easy go,even cut off into the length you need.The backline of the floor wire cover was pre-cut for convenient use. Floor Cord Covers:This floor cable cover's internal channel size:W×H=16mm × 6.4mm/0.63in ×0.25in,the dimension of the extension cord cover L×W×H=47in ×2.5in ×0.43in.Dear customer,please read carefully before you order this power cord cover.