S: Length 45cm, Height 32.5cm, the two holes are 13cm from the inside and 28cm from the outside. M: Length 51cm, Height 37.5cm, the two holes are 16cm from the inside and 32cm from the outside. L: Length 57cm, Height 42.5cm, the two holes are 17cm from the inside and 34cm from the outside. Sturdy and durable dog hammock is made of mesh textile material. The sling is sewn with a special process, not a rope ring design, helping prevent tearing and falling off. Professional pet grooming kit includes: nail clipper x 1 (with safety stop guard), nail file x 1, double row pet comb x 1 (for short and long hair), premium quality S-hook x 2 (for round bars), hanging sling x 2 (suitable for irregular bars). These items combined with the pet nail hammock make grooming easier and more comfortable. Convenient for pet owners to administer medication, clean teeth and ears, and apply eye drops without worry of being bitten. Also suitable for use by veterinarians. Comfortable pet grooming harness features a breathable and flexible 3D mesh structure to keep pets calm during grooming. Reinforced hemming around the leg holes reduces friction. Easy to clean hand wash or machine wash. Available in sizes S, M, and L. Choose the right size for your pet.