The green liner is a replacement part for Coleman Palm Springs AirJet Hot Tubs. This liner is compatible with your AirJet hot tub, with jets around the bottom of the tub that will surround you with a relaxing bubble massage. The sturdy DuraPlus liner is made out of an ultra-durable 3-layer material that is reinforced for strength and puncture-resistance. Simply attach your filter pump, inflate the liner and enjoy a relaxing soak.