Made of plastic and PU material, this item of a set of 7 different sizes of dog muzzles are safe and durable, skin-friendly. Featuring breathable plastic basket and adjustable PU strap, it is a must-have for your loved dog to help stop biting, barking, and chewing. Features - Color: Black. - Material: Plastic and PU . - Suitable Range: Neck circumference within about 30cm/11.8 inch. - Size 1: Approx. 3cm/1.2 inch(front width); 4cm/1.6 inch(front height); 5cm/1.97 inch(below length); 6cm/2.4 inch(back height). - Size 2: Approx. 3.5cm/1.4 inch(front width); 4.5cm/1.8 inch(front height); 6.5cm/2.6 inch(below length); 7cm/2.8 inch(back height). - Size 3: Approx. 4cm/1.2 inch(front width); 5cm/1.6 inch(front height); 8cm/1.97 inch(below length); 8cm/2.4 inch(back height). - Size 4: Approx. 4.5cm/1.6 inch(front width); 5.5cm/2.2 inch(front height); 9.5cm/3.7 inch(below length); 9.5cm/3.7 inch(back height). - Size 5: Approx. 5cm/1.97 inch(front width); 7.5cm/2.95 inch(front height); 11cm/4.3 inch(below length); 11cm/4.3 inch(back height). - Size 6: Approx. 5.5cm/2.2 inch(front width); 8.5cm/3.3 inch(front height); 13cm/5.1 inch(below length); 13.5cm/5.1 inch(back height). - Size 7: Approx. 6cm/2.4 inch(front width); 9cm/3.5 inch(front height); 14cm/5.5 inch(below length); 6cm/5.7 inch(back height). - Packing Size: Approx. 17 x 16 cm / 6.7 x 6.3 x 3.1 inch. - Made of plastic and PU material, safe and durable, skin-friendly. - A set of 7 different sizes of dog muzzles to meet your different needs. - Plastic basket design, breathable and comfortable for dog wearing. - Adjustable PU strap, the size can be adjusted freely according to the neck circumference. - A must-have for your loved dog to help stop biting, barking, and chewing. Package list: 3 x Set of 7Pcs Dog Muzzle