Package list: This package comes with a set of 6 plastic whistles available in a variety of exciting neon colours, including red, yellow, green, purple, pink and blue, enough quantity and rich colours to share with your family to your friendsPremium material: our children's whistle is made of durable and robust, high-quality plastic. You don't have to worry about it rusting like a metal whistle. The whistle comes with a stretchy coil and a key ring that is not easy to break. Can be hung on your wrist or as a keychain, not easy to fall off and is easy to useSize information: this wrist key ring with whistle can be easily stretched and fits almost any wrist, whether adults or childrenWide use: the emergency whistle can be used as a training whistle, sports whistle, football whistle, pet whistle or referee whistle or as a signal whistle in outdoor hazards, ideal for different needs indoors and outdoorsWarm gifts: the toy whistle is a fun gift that children will love. It is also great for Easter egg fillers, festive stocking fillers and treasure chest prizes in the classroomSpecifications:Material: plastic.Colour: blue, red, yellow, purple, green, pink.Size: inner diameter of metal ring 2.2 cm / 0.86 inches, inner diameter of coil spring 3.8 cm / 1.5 inches, whistle 4.5 x 1.6 cm / 1.77 x 0.63 inches.Style: SportApplication: outdoor accessoriesProduct list: 6 pieces plastic pipe keyrings (6 colors)