Replacement rubber o-rings for sealing the inner rim of 6 and 8″ Twist and Seal hatches, as used on Hobie kayaks
Hobie Kayak Twist n Seal Hatch O-Ring Seals
Twist n Seal Hatch O-Ring Seal will offer best performance and longest life when the seal and rim are kept clean and lightly lubricated (see Gear Aid Silicone Spray). When these become worn to the point of being stretched they need to be replaced.