Rubber Gym Roll - Geneflex mulch Any stainless or galvanized 3/8"

Any stainless or galvanized 3/8" thick x 6" or 8"  length screws will work

Can be mounted directly to the piling or dock

Looks just like natural grass

Bags are 40 lbs

Rubber Gym Roll - Geneflex mulch Any stainless or galvanized 3/8"The 4' x 4' x 8mm roll covers up to 16 sq. ft. The 4' x 6' x 8mm roll covers up to 24 sq. ft. The 4' x 10' x 8mm roll covers up to 40 sq. ft. The 4' x 15' x 8mm roll covers up to 60 sq. ft. The 4' x 20' x 8mm roll covers up to 80 sq. ft. Multi purpose rubber surfacing provides a safe, supportive foundation for any exercise space Perfect for accommodating weight lifting, martial arts, cheerleading, dancing, yoga, and much more