Highly stretchable low covered movable slide-ring polymer was synthesized by crosslinking poly(propylene glycol)-methyl-β-cyclodextrin polyrotaxane with diisocyanate. β-Cyclodextrin is capable of forming an inclusion complex with poly(propylene glycol) (PPG), the complex formed by the interaction between methyl-β-cyclodextrin (Me-β-CD) and PPG exhibits temperature-dependent phase transitions. Low covered methylated polyrotaxane was pre-synthesized from Me-β-CD and PPG. The incorporation of polyrotaxane into polyurethane endows it with high elongation properties, thanks to the slide-ring structure of the polyrotaxane. The slide ring movement of crosslinked Me-β-CD on polyurethane backbone allows to stretch without deformation. Low-covered polyrotaxane presents an opportunity for polyurethane to achieve outstanding elongation properties by enabling easier movement of ring-shaped molecules along the slip chains compared to the full-covered polyrotaxane. This innovative slide-ring structure polyurethane offers versatile applications in diverse industries such as biomedical devices, displays, and electronic materials. The low covered polyrotaxane was characterized by FT-IR, 1H-NMR and UV-vis spectroscopies. The molecular weight and crystal structure were measured by GPC and XRD, respectively. The polyurethane was characterized by FT-IR, DSC, and TGA. In addition, and the elongation of polyurethane according to the content of polyrotaxane was shown using Universal Tasting machine (UTM).