Specifications and models
50*25*25; five layers of thickened and hardened ab double corrugated (load-bearing 20kg and above),50*25*25; five layers of thickeneded super hard ab double corrugated (load-bearing 30kg and above),50*25*30; five layers of thickened and hardened ab double corrugated (load-bearing 20kg and above),50*25*30; five layers of thickeneded super hard ab double corrugated (load-bearing 30kg and above),50*25*35; five layers of thickened and hardened ab double corrugated (load-bearing 20kg and above),50*25*35; five layers of thickeneded super hard ab double corrugated (load-bearing 30kg and above),50*25*40; five layers of thickeneded super hard ab double corrugated (load-bearing 30kg and above),50*30*20; five layers of thickeneded and hardened ab double corrugated (load-bearing 20kg and above),50*30*20; five layers of thickeneded super hard ab double corrugated (load-bearing 30kg and above),50*30*25; five layers of thickeneded and hardened ab double corrugated (load-bearing 20kg and above),50*30*25; five layers of thickeneded super hard ab double corrugated (load-bearing 30kg and above),50*30*30; five layers of thickeneded and hardened ab double corrugated (load-bearing 20kg and above),50*30*30; five layers of thickeneded super hard ab double corrugated (load-bearing 30kg and above),50*30*35; five layers of thickened and hardened ab double corrugated (load-bearing 20kg and above),50*30*35; five layers of thickeneded super hard ab double corrugated (load-bearing 30kg and above),50*30*40; five layers of thickened and hardened ab double corrugated (load-bearing 20kg and above),50*30*40; five layers of thickeneded super hard ab double corrugated (load-bearing 30kg and above),50*30*45; five layers of thickened and hardened ab double corrugated (load-bearing 20kg and above),50*30*45; five layers of thickeneded super hard ab double corrugated (load-bearing 30kg and above),50*30*50; five layers of thickened and hardened ab double corrugated (load-bearing 20kg and above),50*30*50; five layers of thickeneded super hard ab double corrugated (load-bearing 30kg and above),50*35*20; five layers of thickened and hardened ab double corrugated (load-bearing 20kg and above),50*35*20; five layers of thickeneded super hard ab double corrugated (load-bearing 30kg and above),50*35*25; five layers of thickened and hardened ab double corrugated (load-bearing 20kg and above),50*35*25; five layers of thickeneded super hard ab double corrugated (load-bearing 30kg and above),50*35*30; five layers of thickened and hardened ab double corrugated (load-bearing 20kg and above),50*35*30; five layers of thickeneded super hard ab double corrugated (load-bearing 30kg and above),50*35*35; five layers of thickened and hardened ab double corrugated (load-bearing 20kg and above),50*35*35; five layers of thickeneded super hard ab double corrugated (load-bearing 30kg and above),50*35*40; five layers of thickened and hardened ab double corrugated (load-bearing 20kg and above),50*35*40; five layers of thickeneded super hard ab double corrugated (load-bearing 30kg and above),50*35*45; five layers of thickeneded and hardened ab double corrugated (load-bearing 20kg and above),50*35*45; five layers of thickeneded super hard ab double corrugated (load-bearing 30kg and above),50*35*50; five layers of thickened and hardened ab double corrugated (load-bearing 20kg and above),50*35*50; five layers of thickeneded super hard ab double corrugated (load-bearing 30kg and above),50*40*20; five layers of thickened and hardened ab double corrugated (load-bearing 20kg and above),50*40*20; five layers of thickeneded super hard ab double corrugated (load-bearing 30kg and above),50*40*25; five layers of thickeneded and hardened ab double corrugated (load-bearing 20kg and above),50*40*25; five layers of thickeneded super hard ab double corrugated (load-bearing 30kg and above),50*40*30; five layers of thickened and hardened ab double corrugated (load-bearing 20kg and above),50*40*30; five layers of thickeneded super hard ab double corrugated (load-bearing 30kg and above),50*40*35; five layers of thickened and hardened ab double corrugated (load-bearing 20kg and above),50*40*35; five layers of thickeneded super hard ab double corrugated (load-bearing 30kg and above),50*40*40; five layers of thickened and hardened ab double corrugated (load-bearing 20kg and above),50*40*40; five layers of thickeneded super hard ab double corrugated (load-bearing 30kg and above),50*40*45; five layers of thickened and hardened ab double corrugated (load-bearing 20kg and above),50*40*45; five layers of thickeneded super hard ab double corrugated (load-bearing 30kg and above),50*40*50; five layers of thickened and hardened ab double corrugated (load-bearing 20kg and above),50*40*50; five layers of thickeneded super hard ab double corrugated (load-bearing 30kg and above),50*45*25; five layers of thickened and hardened ab double corrugated (load-bearing 20kg and above),50*45*25; five layers of thickened super hard ab double corrugated (load-bearing 30kg and above),50*45**30; five layers of thickened and hardened ab double corrugated (load-bearing 20kg and above),50*45**30; five layers of thickeneded super hard ab double corrugated (load-bearing 30kg and above),50*45*35; five layers of thickened and hardened ab double corrugated (load-bearing 20kg and above),50*45*35; five layers of thickeneded super hard ab double corrugated (load-bearing 30kg and above),50*45*40; five layers of thickened and hardened ab double corrugated (load-bearing 20kg and above),50*45*40; five layers of thickeneded super hard ab double corrugated (load-bearing 30kg and above),50*45*45; five layers of thickened and hardened ab double corrugated (load-bearing 20kg and above),50*45*45; five layers of thickeneded super hard ab double corrugated (load-bearing 30kg and above),50*45*50; five layers of thickened and hardened ab double corrugated (load-bearing 20kg and above),50*45*50; five layers of thickeneded super hard ab double corrugated (load-bearing 30kg and above),50*50*30; five layers of thickened and hardened ab double corrugated (load-bearing 20kg and above),50*50*30; five layers of thickeneded super hard ab double corrugated (load-bearing 30kg and above),50*50*35; five layers of thickened and hardened ab double corrugated (load-bearing 20kg and above),50*50*35; five layers of thickeneded super hard ab double corrugated (load-bearing 30kg and above),50*50*40; five layers of thickened and hardened ab double corrugated (load-bearing 20kg and above),50*50*40; five layers of thickeneded super hard ab double corrugated (load-bearing 30kg and above),50*50*45; five layers of thickened and hardened ab double corrugated (load-bearing 20kg and above),50*50*45; five layers of thickeneded super hard ab double corrugated (load-bearing 30kg and above),50*50*50; five layers of thickeneded and hardened ab double corrugated (load-bearing 20kg and above),50*50*50; five layers of thickeneded super hard ab double corrugated (load-bearing 30kg and above)