These cat toys are irresistible to cats because they are made from natural materials and filled with European organic catnip (5 g). These cat toys can be washed in the washing machine and refilled. The toys close with high-quality Velcro. DIMENSIONS 10 x 8 x 2.5 cm / 3.9 x 3.1 x 1.0 inch FABRIC Organic twill cotton (240 g/m2) Fabric certificate: GOTS 7.0 license number 1099579 OEKO-TEX standard 100 (tested for harmful substances) CATNIP 33% organic valerian (Poland), 67% organic catnip (France) Organic certificate for valerian and catnip: ECOCERT FILLING Belgian sheep wool from the brand MOLWOL (mulesing free) RUSTLE food-safe paper bag STRING cotton RETAIL PACKAGING Header: 250 g/m2 Bag: compostable PLA (corn)