FIXING: Special G-shape hook to attach net with enclosure pole easily. Helps to secure your trampoline safety net to the top of your poles. MATERIALS: Thick and safety plastic materials Fit in 2.8cm or 1.1inch diameter inner size of the trampoline enclosure pole. EASY ATTACHMENT: The trampoline top cap is easy to fasten screw thumb to pole cap by hand. These safety enclosure caps fit several trampoline brands. CAP ENCLOSURE REPLACEMENT: Helps to secure your trampoline: The trampoline plastic cap can fit in 2.8cm or 1.1inch innerdiameter trampoline enclosure poles. SAFE USE: The plum trampoline top cap special "G" shape hook to keep the safety net straps firm into place and prevents from sliding down pole.PRODUCT DESCRIPTION Features: SAFE USE: The plum trampoline top cap special "G" shape hook to keep the safety net straps firm into place and prevents from sliding down pole CAP ENCLOSURE REPLACEMENT: Helps to secure your trampoline: The trampoline plastic cap can fit in 2.8cm or 1.1inch innerdiameter trampoline enclosure poles. EASY ATTACHMENT: The trampoline top cap is easy to fasten screw thumb to pole cap by hand. These safety enclosure caps fit several trampoline brands. MATERIALS: Thick and safety plastic materials Fit in 2.8cm or 1.1inch diameter inner size of the trampoline enclosure pole. FIXING: Special G-shape hook to attach net with enclosure pole easily. Helps to secure your trampoline safety net to the top of your poles Specification Material: PP Color: Blue Size(Dia x L): About 2.8 x 9.5cm/1.1 x 3.7inch Package included: Choice A: 6pcs x Trampoline Pole Caps Choice B: 8pcs x Trampoline Pole Caps