Hammy3DPrints Storage Plug Shape Retainer for SB Tactical SBT

- Color Options: Available in Black, Earth Brown, and Forest Green. - Maintains Shape: Helps maintain the shape of the rear fies for storage. Made out of PETG-CF so it won't melt in hot cars like the PLA versions. - Increased Rigidity: Makes the rear less flimsy. - Thick and Sturdy: Printed with 100% walls for a sturdy print. - Made in USA: 2200+ products designed and 3D printed in the heart of America in St Louis, Missouri by Hammy3DPrints.