An Ld3 / baggage and cargo container (those aluminum or fiberglass small units with the bottom edge cut off to fit side by side in the bellys of wide bodys and match the bottom outer curve can weigh 88kgs up to maybe 200 kgs for insulated cooltainers for fish and flower etc etc.--depending on mix of pallets LD7 or double LD3 called LD11 (LD is for lowerdeck) could have more than 20 LD3 on acft.