Trixie silver reflect collar size M–L: neck circumference 13.8–21.7 inches/0.8 inches in black/silver-grey – highly reflective collar for medium to large dogs, excellent visibility in the dark – 12223

Kurgo Journey Air Dog Harness - Secure Fit for Active Dogs - Padded Chest - Lightweight Ripstop Fabric - Breathable Mesh - Reflective Trim - Back Assist Handle - Red - Large

Trixie Be Nordic Stop-The-Pull Collar For Dogs / - Extra - 55 Cm/Ø 13 Mm Dark/Grey/Brown Large

Barking

Pawhut Unisex Green Dog Training Collar Anti Barking Device With 3 Modes 3200Ft Remote In

Collared: How We Made the Modern Dog

Joules Rainbow Stripe Dog Collar - Medium

EzyDog Neo Classic Dog Collar - Black - Large - Neoprene & Nylon

Big Dog and Little Dog Wearing Sweaters

Ferplast Bull Leather Padded Hound Dog Collar - Small

Halti - Dog Collar - Extra Small - Grey

Adaptil Calming Pheromone Collar for Dogs - Medium/Large

Ancol Chain Dog Collars - Check Chain - 60Cm Medium

E-COLLAR TRAINING for Pet Dogs: The only resource you’ll need to train your dog with the aid of an electric training collar

Marvel Premium Dog Collar - Multicoloured / Small/ Medium

Barbour Tartan Dog Harness - Small - New with no Tags - Tracked Post

Petface Country Berry Tonal Bones Dog Collar - Small

Körpersprachliches Longieren mit Hund

EzyDog Neo Classic Dog Collar - Red - Medium - Nylon/Stainless Steel

Marvel Premium Dog Collar - Multicoloured / Extra Small/ Small

Flexi New Classic Tape Dog Lead 5M - Black Large

Kong Signature Rope Double Tug For Dogs - Inch Size 22

THEY'RE ALL BARKING: A Dog’s Guide to Human Behaviour