Windows can be constructed with plastic panes, shatterproof glass, or glass with protective membranes. Windows are prone to shatter easily unless expensive shatterproof glass is used. Sapphire is very scratch-resistant but less shatterproof than the other options. Shatter-resistant and shatterproof ornaments are one adaptation, among many others, to make Christmas pet-friendly. The design featured a heated and ventilated cabin and shatterproof glass glazing. Most rinks were using wire mesh before the shatterproof glass was invented. In 1958 the observation windows were glazed with shatterproof glass. The ceilings were cleaned of asbestos and the original glass roof was made shatterproof. The Eight also featured automatic chassis lubrication and "shatterproof" glass. Combe Incorporated began shipping Aqua Velva exclusively in plastic "Shatterproof" bottles on February 1, 2010. The glazing should also be shatterproof and produce no spalls after each strike. An interview with Ian Keldin revealed that Trey thought "Shatterproof" made Packer seem too tough. The release of the album was preceded by a remix of "Shatterproof" on YouTube. Barry alone wrote two songs for the album&colon; "Shatterproof" and "She Says". The first studio album, "Shatterproof", was released on July 1, 2016.