The day hatch replacement is here: https://boutiqueborealdesign.com/collections/hatch-covers/products/umat-166-bd-day-hatch-coversmall?variant=28063930417236

The front hatch replacement is here: https://boutiqueborealdesign.com/collections/hatch-covers/products/umat-163-round-bd-hatch-coverbig-front?variant=28063930318932

The rear oval hatch replacement is here: https://boutiqueborealdesign.com/collections/hatch-covers/products/umat-159-oval-bd-hatch-cover-back?variant=

To keep the rubber lasting longer and protect it from drying out and from UV sunlight, we suggest using 303 Protectant - a spray on product that works really well. This can be purchased from us or at sporting good stores: https://boutiqueborealdesign.com/products/303-protectant

Hope this helps