Propet Adaptive - Propet One Twin Strap. Color Grey/Mint. Low Stock. On sale for $82.70. MSRP $109.95.. 2.0 out of 5 stars3 left in stockBrand NamePropet AdaptiveProduct NamePropet One Twin StrapGenderWomen'sColorGrey/MintPrice$82.70MSRP: $109.95