1. 3-Layer Prefinished Bamboo Flooring,AB Grade,Natural Color 2. specification: ... -9% 4.AB Grade 1. 3-Layer Prefinished Bamboo Flooring,AB Grade,Natural Color2.specification: :15/4 x 190 ... 9%4.AB Grade ProductionItem name: 3-layer Bamboo engineered flooring,Horizontal,Carbonized specification: :15/4 x 190 x ... areas; easy installation; 3-Layer Prefinished Bamboo Flooring,AB Grade,Natural Color,