Lightweight and portable - The slant board is foldable and measures 39.8cm/15.67 inches long, 29.8cm/11.73 inches wide, 3.5cm/1.38 inches thick, and weighs 4.8 pounds.The top is designed with a hollow handle. Whether you are doing stretching exercises in the office, at home, in the gym, or outdoors, this slant board is very easy to carry and store. Adjustable Stretch Board for Stretching - ThisCalf Stretcher Slant Board for squats provides 5 adjustable angles: 20°, 30°, 35°, 40°, 45°, which can adapt to different fitness levels and stretching training needs, adding diversity and challenge to your exercise plan Heavy-duty support - The calf stretch board uses thickened multi-layer solid wood, which is durable and can withstand a load of about 380 pounds. The triangular structure is more stable and safe, which is very suitable for beginners, professional fitness people and all types of people   Multi-function calf stretcher - This calf stretcher slant board helps to stretch the calf, buttocks, heels, ankles, etc. It is an excellent auxiliary tool for front and back leg stretching; it also helps to improve core strength, improve body flexibility, and improve muscle flexibility and mobility   Anti-slip incline board - The wooden Calf Stretcher slant board adopts an enlarged panel design, with anti-slip sandpaper on the surface and an anti-slip pad at the bottom, which can increase friction and prevent movement, bringing a more assured use experience