Home / Brands / Bokka / Spring Volume Duo! Spring Volume Duo! The ultimate volumizing duo! PURCHASE: 1 Defy Gravity Volume & Thickening Foam – 7oz / 207ml 1 Blowdry Boost Volumizing Spray – 6oz / 177ml SALON VALUE: $25 A 20% SAVINGS! Category: Bokka Related products Thikk.Volume Shampoo Replenishing Moisture Conditioner Defy Gravity Volume & Thickening Foam Show Off & Shine Styling Spray – Medium Hold