Please note, this item ships from an international seller. Expected delivery is 10-15 days. Package included: 125/200 x Waterproof heat shrink butt connectors (packaged with box) Two Styles: 1 style(125pcsaaLs50red, 50blue,25yellow) 2 style(200pcs:100Pink,100Blue) 1 style Quantity: 125pcs (50 red + 50 blue + 25 yellow) Red Connector size: Suits cable / conductor cross sections 22-18 GA Blue Connector size: Suits cable / conductor cross sections 16-14 GA Yellow Connection size: Suits cable / conductor cross sections 12-10 GA 2 style Quantity: 200pcs (100 Pink + 100 Blue ) Pink ones Suits cable/wire size: 0.5-1.5mm 22-18AWG. Blue ones Suits cable/wire size: 1.5-2.5mm 16-14AWG. Specification: new Material: MADE WITH 3M ADHESIVE LINED HEAT SHRINK TUBING Dual-walled design, Polyamide tubing in outside and hot melt adhesive in inside(shrinkage 3:1) Guaranteed to hold the strong crimps For best results use a hot air gun until it reduces in size and the adhesive flows, filling gaps within the terminal. Standard crimp and then seal heat shrink butt connectors. Allows visual inspection, prevents corrosion, and provided a waterproof seal. wirebuttconnector