... shall be attached by the special glue.4.Features1, elastic, non-slip, Durable,shock absorption, sound absorption, sound insulation; 2 ... walking;4. temperature (-40C ---- 100C normal use); 5. green (non-toxic, no pollution, no radiation); 6. fire resistance (can be ... move; 18, easily broken; 13. easy to clean, good maintenance;14. non-glare, no deformation;15. anti-static; 22, compressive strength, ...