The HART Block Mat - 50cm high is made with single density block foam, perfect for the Fosbury Flop technique. These mats include a Bread Box Cover with spike mesh top, to hold multiple units together, reducing separation and movement. All our high jump mats are premium mats designed and made by HART Sport. Constructed using heavy duty PVC vinyl, HART Block Mats provide long-lasting performance, impact reduction, comfort and safety for all athletes.