Thumb Score: +6 Walmart [walmart.com] has SABRE Pepper Spray with Key Ring (Patriotic Design, 3.25" x 0.75" x 0.75") on sale right now for $2.97. Shipping is free w/ Walmart+ (free trial available [walmart.com]) or on orders $35+. Compare to Amazon [amazon.com] at $9.39 (ships from and sold by Amazon.com).