When you have a pendant you want to wear everyday no matter what your outfit choices, or you're shopping for someone else and don't know what length chain they would prefer, go for an adjustable one like this! The gold plated sterling silver slider bead chain has a maximum length of 24 inches and will secure at any length up to this. This one has a 1mm trace chain and a 4mm slider bead. It weighs 2.2 grams.