Standardized small load carriers (SLTs) are used in production lines or in goods traffic between car manufacturers, suppliers and service providers. It is a uniform, mechanically and manually manageable plastic small load carrier system according to VDA recommendations for loads of all kinds. The poolable KLT system includes tanks with a rigid composite floor (R-KLT) or with a rigid smooth floor (RL-KLT) etc. It promotes the rationalization of transport, storage and conveyor technology through standardized design features.